Alzheimer's is the eponym used to refer to a type of progressive dementia which causes confusion, short-term memory loss, and restlessness.
The common symptoms of Alzheimer's include- memory loss of recent events, trouble in understanding visual images, confusion with time or place, poor judgment etc.
The answer you're looking for is: Alzheimer's.
25 POINTS AVAILABLE
One or more plants could die during the experiment. If that happens, how will you account for it? Select the correct answers:
Mark an X for that plant in the data table.
Write a comment about the plant’s death in your lab notebook.
Exclude the plant when you compute the average height of the whole group of plants.
Exclude another plant from the other group to balance things out.
Answer:
1. Mark an X for that plant in the data table.
2. Write a comment about the plant’s death in your lab notebook.
3. Exclude the plant when you compute the average height of the whole group of plants.
Explanation: Its these three because I got it right on the homework.
Answer:
Option A, B and C
Explanation:
In an experiment, if some of the plants die during the experiment, then it becomes essential to mark those plants. Marking will ease the work of identification at the end of the experiment.
However, if at the time of marking, reason for the death of these plants is known then that should also be mentioned side by side in a booklet for later research.
Now, while calculating the average height of the plants it will be best to remove the number of dead plants from the total number of plants or else disoriented readings will be obtained.
Hence, option A, B and C is correct
To create a simulation of 100,000 ants moving around inside a colony, a scientist needs to determine the average traveling speed for an actual ant. Which of the following is the best course of action for establishing this parameter?
A. Divide the total distance traveled by 100,000 ants in a day by 24 hours.
B. Determine the average traveling speed for 20 randomly selected ants.
C. Choose a random value to represent the average traveling speed of an ant.
D. Measure the traveling speed of a single ant, and assume all ants are the same.
Answer:
B.
Explanation:
By randomizing and selecting 20 ants you can have a very close estimate on how much the average travelling speed is in the whole colony in a relatively little amount of time, this can help the scientists advance easier with their study rather than sending a team to count every single ant in the colony and then dividing it.
IT WAS CORRECT FOT ME ON THE AP EX QUIZ 3.4.2 NATRUAL SELECTION AS OF BEGINING OF JUNE 2021. :-)
You are welcome.
PLZ mark me brainliest!
Determining the average traveling speed for 20 randomly selected ants is the best method to create a simulation of 100,000 ants moving around inside a colony and to determine the average traveling speed for an actual ant. Therefore, the correct statement is option B.
What is simulation?A simulation is a model that is used to predict the behavior of a system under different conditions. Simulations are used to test hypotheses and make predictions based on them.
By selecting a large enough sample size like 20 randomly selected ants, the average speed for the ant population can be estimated by the researcher, which can then be used to create a simulation of 100,000 ants moving around inside a colony.
This method is reliable for establishing the average traveling speed of an ant, as it involves the measurement of a representative sample of ants to estimate the average speed of the population.
Therefore, creating a simulation of 100,000 ants and the average traveling speed for an actual can be determined by the average traveling speed for 20 randomly selected ants.
Learn more about the simulation here:
https://brainly.com/question/16359096
#SPJ7
In shorthorn cattle, when a cow with a solid red coat color mates with a cow with a solid white coat color, they always produce offspring with a roam (both red and white) coat color. This is an example of what type of inheritance pattern?
This is codominance, as far as i know. I am 89% sure
The inheritance pattern of coat color in shorthorn cattle is an example of incomplete dominance.
How do we explain?Incomplete dominance is a type of inheritance in which the heterozygous offspring (the offspring that inherits one allele from each parent) has a phenotype that is intermediate between the phenotypes of the homozygous parents (the parents that have two identical alleles for the trait).
In shorthorn cattle, the allele for red coat color (R) is dominant over the allele for white coat color (W). However, the heterozygous offspring (RW) does not have a solid red or solid white coat color. Instead, it has a roan coat color, which is a mixture of red and white hairs.
Learn more about inheritance pattern at:
https://brainly.com/question/33018875
#SPJ3
Which two of the following choices are examples of commons?
Answer:
National parks and ground water
Explanation:
In the given choices example of commons are national park and ground water. 'Commons' means public goods, which can be used by every person of the country. And such things are state owned. Use of ground water is a human right. Public goods can be used by everybody without discrimination such as:- rich- poor, male-female, etc. On the other hand private things are owned by an individual.
Answer:
national park ; ground water
Explanation:
The phytoplankton in the ocean are able to grow because of energy obtained directly from
i believe the answer is the sun... :)
the sun. phytoplankton are plant like protists.
which phase best describes a chapparal
The options attached to this question are given below:
A. contains mostly needle-leaved evergreen trees.
B. is home to herds of giraffes, zebras, and wildebeests.
C. receives less than 25 cm of precipitation per year.
D. has low-growing; touch shrubs and rock, dry soils .
ANSWER
The correct option is D.
The chappral biome is one of the most widespread biome in the world, it can be found on almost all continents. The major characteristic of the biome include the following:
It has both forest and grassland,
It has two major seasons, winter and summer; the summer season is usually very dry and last for about five months.
The dry summer makes the biome sensitive to fire outbreak, which is a common occurrence there.
The amount of rain available to the biome is about 10 - 17 inches per year and is only able to support shrubs growth, only few trees can be found in the biome.
The biome can be a plain, a rolling hill or a mountain and the soil is usually very dry.
Did Charles Darwin conceive of natural selection on his voyage?
Not really. He published his book with the theory, On the Origin of Species, in 1859, and his voyage on the HMS Beagle to the Galapagos was in 1831. But, it is true that the voyage gave him important feedback, knowledge and material to elaborate his theory.
Hope it helped,
BiologiaMagister
1). Karen is looking at a slide of an onion root tip under a microscope. She noticed that not all the cells look the same. Which of these best describes why all the cells are not identical?
A). The root is continuing to grow so the cells are going through mitosis
B). Some of the cells are cells and others are cells in the stem
C). There is a problem with the slide and it must be contaminated
D). The cells are turning into the actual
2). What is the difference between cells B and E?
A). B contains fever chromosomes than E
B). B is in anaphase and E is in metaphase
C). B is an animal cell and E is a plant cell
D). B it's two separate cells and E is a single cell
Answer: 1.C
The first question is pretty self explanatory because the cells won’t look the same because more cells are still developing and going through mitosis.
2.B
The second one is B because in metaphase the spindles align in the middle and E shows that. Image B is anaphase because the spindles moves to opposite ends.
The cells in the onion root tip are not all identical because the root is continuing to grow and the cells undergo mitosis. Cell B contains fewer chromosomes than cell E.
Explanation:The reason why not all the cells in the onion root tip look the same is because the root is continuing to grow and the cells are going through mitosis (Option A). In mitosis, the cells divide and produce new cells, resulting in a variety of different cells with different structures and functions.
Regarding the difference between cells B and E, cell B contains fewer chromosomes than cell E (Option A). During anaphase of mitosis, the paired chromosomes separate and move to opposite ends of the cell, while in metaphase, the chromosomes align in the middle of the cell.
What human actions most contribute to global warming
Human activities contribute to climate change by causing changes in Earth’s atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
How is energy obtained and cycled among all living organisms?
It is the source of all energy.
A living organism can either make its own food or depend on others to make food for them. For example green plants produce their own food from a process called photosynthesis. They use the chloroplasts in their cells to capture energy in sunlight. They combine it with water and carbon dioxide from the air to produce sugars for themselves. Green plants are therefore known as producers or autotrophs. Bacteria can also make their own food or breakdown food.
Energy is essential for life processes in all living organisms, obtained primarily through photosynthesis or consumption of organic matter. It flows through ecosystems as demonstrated in food-web diagrams, with autotrophs harnessing energy directly from light or chemicals and heterotrophs ingesting other organisms. Despite transformations, much energy is ultimately lost as heat.
All living organisms require energy to carry out their life processes, such as metabolic pathways including the synthesis of macromolecules like proteins, lipids, nucleic acids, and carbohydrates. This energy often comes in the form of adenosine triphosphate (ATP), which is vital for building these complex molecules from smaller units. Energy is obtained in various ways, predominantly through photosynthesis in autotrophs and through the consumption of organic matter by heterotrophs.
Energy flows directionally through an ecosystem and can be represented in food-web diagrams. These diagrams demonstrate how energy is transferred from one organism to another and how efficiently it is used within the ecosystem, with a substantial amount inevitably lost as heat to the environment. While autotrophs convert light or chemical energy into chemical energy stored in organic molecules, heterotrophs acquire their energy by consuming other living or previously living organisms, using the stored chemical energy for their own metabolic processes.
The ultimate source of this energy can often be traced back to photosynthesis, the process by which plants, algae, and some bacteria convert light energy into chemical energy, thus beginning the cycle of energy through the food web. Energy is crucial for all life, and understanding how it is obtained and cycled among living organisms helps us understand the fundamental processes that sustain ecosystems.
Which of these is included under land use? Water,rocks,soil,trees,applying pesticides.
Applying pesticides is the answer!
Land use refers to how humans and the environment interact on a particular piece of land, encompassing the utilization and management of water, soil, trees, and the application of pesticides. While rocks are part of the natural landscape, they are less impactful in terms of direct human land utilization.
Land Use and Its Components
When we talk about land use, we refer to how humans utilize various elements of the natural environment on a piece of land. Common examples of land use include residential areas, commercial spaces, agricultural fields, and recreational grounds. Within these categories, land use encompasses aspects such as water, soil, and trees, which are integral to the support and development of different land functions.
In agricultural practices, the application of chemicals like pesticides directly impacts land use. These chemicals, which include fertilizers, herbicides, and pesticides, are used to enhance crop growth and protect against pests and diseases. However, they can be toxic to humans and wildlife and may lead to environmental issues like soil degradation and water pollution.
It's important to note that while rocks are a natural component of the land, they are typically not considered under the umbrella of land use since they do not directly influence how the land is utilized by humans in the same manner as the management of water, soil, and biological resources. Nevertheless, rocks can indirectly affect land use decisions through their influence on landscape and soil composition.
Ultimately, land use decisions are influenced by various factors, including environmental health, economic needs, and political considerations. Effective land management seeks to balance these elements through practices like building and maintaining healthy soil, minimizing the use of pesticides, and integrating native plants to support ecological balance and reduce the impact of invasive species.
Tim and Jan both have freckles but their son does not. If the son has a child with a girl who does not have freckles, what will be the phenotype of the child?
It’s phenotype will be no freckles because the freckles are recessive to the dominant allele no freckles.
Hope this makes sense and helps.
The phenotype of the child will depend on the genotype of the son and the girl. If neither of them carry the allele for freckles, the child will not have freckles. If the son carries the allele and the girl does not, the child would have a 50% chance of having freckles.
Explanation:The phenotype of the child will depend on the genotype of the son and the girl. Since the son does not have freckles, it is likely that he does not carry the allele for freckles. If the girl also does not have freckles, it is possible that neither of them carry the allele for freckles. In this case, the child would not have freckles either.
However, if the son is a carrier for freckles (heterozygous) and the girl does not have freckles, the child would have a 50% chance of having freckles (heterozygous) and a 50% chance of not having freckles (not carrying the allele).
Overall, the phenotype of the child will be determined by the genetic information inherited from both the son and the girl.
If two parents are going to have one child, the percent probability of having a girl is _____ and the percent probability of having a boy is _____. A. 25%; 75% B. 50%; 50% C. 75%; 25%
If two parents are going to have one child, the percent probability of having a girl is 50% and the percent probability of having a boy is 50%.
So the correct answer is B. 50% ; 50%
Hope this helps,
Davinia.
Depends on how strong the dominant trait is. However, in this question, the answer is B
NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which of the following is an example of chemical energy in nature?
A.
the energy that builds up when friction prevents rocks from moving along a fault
B.
the energy contained in the bonds of a sugar molecule
C.
the stored energy of a boulder at the top of a cliff
D.
the energy of flowing water in a mountain stream
The answer is B) the energy contained in the bonds of a sugar molecule
The answer is B: The energy contained in the bonds of a sugar molecule.
scientists compares DNA from living organisms to identify? A.) a fossil’s location. B.) naturally selection. C.) geographic isolation. D.) similarities between species.
Scientists compare DNA from living organisms to identify similarities between species
Answer: Option D
Explanation:
The DNA content of any organism codes for its behavior and other activities, the nucleic acid is the only encryption that takes the internal code of the parents to the off springs, hence a comparison in the evolution can be done only through testing the DNA content.
The information in the DNA also tells us the evolution of species along with their relationship with each other. Thus helps in the construction of the phylogenetic tree.
Scientists compare DNA from living organisms to identify similarities between species (Option D).
What is DNA?Deoxyribonucleic acid (DNA) is the genetic material of all organisms, which transmits across generations.
The linear order of nucleotides in the DNA molecule can be used to find evolutionary relationships between species. The species that have a common origin shown sequence homo-logy in their DNA molecules.In conclusion, scientists compare DNA from living organisms to identify similarities between species (Option D).
Learn more in:
https://brainly.com/question/1331600
Using the bar graph, determine which planet is four times (4X) as far from the Sun as Earth is.
A)
Jupiter
B)
Neptune
C)
Saturn
D)
Uranus
I believe it would be Jupiter just because of the graph and because Jupiter is not close to earth at all
Answer:
Uranus
Explanation:
answer for us test prep
The conservation of energy is a _______ because it is has been demonstrated without exception under certain stated conditions.
A. scientific theory
B. scientific variable
C. scientific hypothesis
D. scientific law
I think it is D
Hope this helps
God bless you
- Kayla <3
Answer: D. scientific law
Explanation:
A scientific law is a statement which is based upon the natural process, phenomena or event which is based upon repeated trials of experiments. But it does not explanation for the cause of natural process or phenomena or event. The scientific law is abide by all the scientific communities and it cannot be changed or manipulated.
The conservation of energy is a scientific law. As it cannot be changed and it is demonstrated without including any exception under any condition.
What genetic change allows organisms to survive natural selection in their environment
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on the next generation.
What genetic change allows organisms to survive natural selection in their environment ?
The answer is Adaptations
compared to the jovian planets in our solar system , earth is
There is no comparation point due to the earth is a solid planet with atmosphere and the jovian planets all together composed by gas.
Best regards
There are 5 nitrogenous bases in DNA and RNA. How do the base pairs match up in DNA and RNA?
Answer:
In DNA there are 4 bases (adenine,guanine,thymine and cytosine)
adenine match with thymine while guanine match with cytosine.
RNA also contains 4 bases(adenine,guanine,uracil and cytosine)
adenine match with uracil while guanine match with cytosine.
In DNA, adenine pairs with thymine and guanine pairs with cytosine. In RNA, adenine pairs with uracil and guanine pairs with cytosine.
Explanation:The nitrogen bases in DNA and RNA are called 'nitrogenous bases' because they contain nitrogen atoms in their structure. In DNA, the four nitrogenous bases are adenine (A), guanine (G), cytosine (C), and thymine (T). In RNA, the bases are adenine (A), guanine (G), cytosine (C), and uracil (U).
Purines and pyrimidines are two types of nitrogenous bases. Purines, such as adenine and guanine, have a double-ring structure, while pyrimidines, such as cytosine, thymine, and uracil, have a single-ring structure.
Each base pairs with a complementary base. In DNA, adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C). In RNA, adenine (A) pairs with uracil (U), and guanine (G) pairs with cytosine (C).
which determines carrying capacity?
it is determined by limiting factors for example if I had a small apartment I couldn't fit 50 people in there so the carrying capacity would be lower that that because of the limiting space.
Answer:
Limiting factors.
Explanation:
Carrying capacity may be defined the maximum number of individuals that can be supported by the environment without causing any problem to the environment. The population size increases below the carrying capacity and population size starts decreasing above the carrying capacity.
Limiting factors like food, surface area, water can limit the population growth. The absence of food may result in decline in the population. Hence, limiting factors determine the carrying capacity.
Thus, the answer is option (4).
One difference between organisms being classified as kingdom plantae or kingdom animalia is the way organism gets food
The kingdom Metaphyta (vegetable) is able to obtain food through photosynthesis (it is autotrophic). Metazoa kingdom (animal) is heterotrophic, that is, it only obtains food by looking in the environment (it does not produce its own food).
Determine which areas of the contiguous United States have very low earthquake hazards levels
States along the east coast have a lowest to no earthquakes.
Polar bears give birth and hunt on sea ice. Which of the following would help polar bears survive during the melting of Arctic ice?
Growing another layer of fur during summer
Migrate inland to search for different food sources
Staying put until the ice refreezes
Sticking to the usual diet of seals
The answer has been searching for the novel prey. The melting of Arctic ice is reducing the ice sheet that polar bears use as a platform to hunt seals.
What is a food web?A food web has been basically the graphical representation of which the individual eats what in an ecological community that has been composed by the innately interconnection of the food chains. The food web has been also known as the consumer-resource system.
With the ice receding earlier in the spring and forming later in the winter, bears have less time to hunt prey and it must go without food for longer periods of the time. Researchers discovered that has been lead to the decline in the body condition and the lower average weight in the adult females. According to the scenario, the declining the female polar bear health the contributes to the decrease in the polar bear offspring survival.
Therefore, The answer has been searching for the novel prey. The melting of Arctic ice is reducing the ice sheet that polar bears use as a platform to hunt seals.
Learn more about Arctic ice on:
https://brainly.com/question/25796866
#SPJ3
Polar bears would most likely survive the melting of Arctic ice by migrating inland to search for different food sources. This strategy would help them adapt to the changing environment and find alternative means of sustenance. Therefore, option b is correct
- Adaptation to changing environments: As sea ice melts, polar bears' traditional hunting grounds and birthing areas are diminished. Migrating inland allows them to explore new territories and find alternative food sources.
- Diversification of diet: By moving inland, polar bears can potentially diversify their diet, which might include terrestrial animals, vegetation, or other available resources, rather than relying solely on seals.
- Avoiding dependency on sea ice: Staying put until the ice refreezes or sticking to the usual diet of seals would not be sustainable strategies as they depend heavily on the presence of sea ice, which is rapidly decreasing.
- Enhanced survival chances: Growing another layer of fur would not address the primary issue of food scarcity. Migration and dietary adaptation are more practical and immediate solutions for survival in a warming Arctic.
How can a rise in temperature cause a change in a polar ecosystem
Sea levels would rise.
Increase in temperature (for example due to global warming) increases the rate of melting of polar ice.
Consequently, the sea levels of the polar ecosystem would increase.
In addition, the melting of the ice caps also increases the temperature of the water in the oceans. As a result, the water expands which also increases the sea levels.
Mark as brainiest please
How can a rise in temperature cause a change in a polar ecosystem?
(A) Sea levels would rise.
(B) Sea levels would fall.
(C) Sea levels would stay the same.
(D) Sea levels would fluctuate.
Answer: (A)
Explanation: The first person who said it was right, and it is correct.
This is any naturally occurring substance that is considered valuable on Earth. Example: air, water, rocks, and minerals
Any naturally occurring substnace that is considered valuable on Earth are called : Natural resources
What are natural resources ?Natural resources are readily available resources in nature which are mostly useful for the existence of living and non living things in an ecosytem. such natural resources includes ; air, water, rocks and natural minerals.
Hence we can conclude that Any naturally occurring substance considered valuable is a natural resource.
Learn more about Natural resources : https://brainly.com/question/24514288
I NEED HELP!!!!! ASAP!!!!
Move the boxes to make a food web of your own design. Using the interactions described in the chart, add arrows to show how the energy flows through the web from one organism to another
cactus
sage brush
annual flowers
ants
beetles
chuckwalla
kangaroo rats
tarantulas
scorpions
common king snake
Gila monster
fox
hawk
turkey vulture
bacteria
Can you do this food web instead
Environmental designers design structures to match the environment. Please select the best answer from the choices provided True or False
Answer:
The statement given in this question is TRUE.
Explanation:
Environmental designers refers to those professionals, who specialize in creating human-designed environments. Such professionals include: architectures, urban planners, geographers, interior designers, etc. Generally environmental designing involves addressing environmental elements during the course of devising plans and policies for an environment.
Environmental designers typically ensure that environmental resources are judiciously used. Note that environmental designers also design structures to match the environment and they also ensure the proper use of all environmental elements.
Environmental designers do design structures to match and integrate with the environment, using sustainable practices and accounting for unique local conditions of climate, topography, and materials.
True, environmental designers indeed design structures to match the environment. This principle is grounded in the sustainable design philosophy that seeks to minimize the human impact on the environment while maximizing the long-term sustainability of the built structures. Designers consider a variety of factors, such as the use of local materials and plants that best fit the context and needs of a site. The design process includes understanding and integrating the unique climatic conditions, topography, and natural features of the environment to create buildings and urban layouts that are environmentally responsive and sustainable.
The history shared by environmental designers, planners, and urban developers shows that design decisions over decades have influenced social disparities and environmental impacts. This connection emphasizes the importance of incorporating holistic, environmentally conscious approaches in modern design practices to address problems like pollution, climate change, and social inequalities.
How does the Carbon cycle work?
The carbon cycle is the process in which carbon moves throughout an environment.
Final answer:
The carbon cycle is a process where carbon moves between reservoirs in the biosphere, with organisms playing a crucial role in both releasing and recycling carbon. Recycling carbon is important for the formation of essential biomolecules.
Explanation:
The carbon cycle is a process through which carbon moves from one reservoir to another in the biosphere. Organisms play a crucial role in this cycle as they both release and recycle carbon.
During cellular respiration, organisms release carbon into the atmosphere as carbon dioxide. On the other hand, producers like plants remove carbon dioxide from the atmosphere during photosynthesis and use it to create organic carbon compounds.
Recycling carbon is important because carbon is the cornerstone of organic compounds necessary for life. While organisms do not make their own carbon, they obtain it by recycling carbon from other living organisms and from the atmosphere. This recycling ensures the availability of carbon for the formation of essential biomolecules.
Producers make up more biomass than primary consumers because _____.
Answer:
secondary and primary consumer eats grass
Explanation:
It must be so
Answer: only 10% of the energy at each trophic level is passed on to the next level
Explanation: odyssey