The strength of gravitational force is affected by the mass of objects and which of the following?

A
Distance
B
Speed
C
Velocity
D
Weight

Can you do this food web instead

C. Eukaryotas can be unicellular or multi cellular.

Examples of unicellular Eukaryotas are amoebas, paramecium, and yeast! People are also made up of Eukaryotas cells.

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Answer:

c. Eukaryotes can be unicellular or multicellular.

Explanation:

Eukaryotes are organisms that have a true nucleus separated from the cytoplasm. And in the cytoplasm they have many organelles. Some classic examples of these representatives (unicellular or multicellular) are:

And in the case of multicellular organisms, cells differentiate into specific tissues and organs, with complementary functionality to each other. What makes existence and functionality unreliable from each other.

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.

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).

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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.  

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).

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. :-)

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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.

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.

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The law of conservation of energy is where energy is distributed or transported to other objects or things, and energy is never destroyed or created. It would be C because it talks about while driving the thermal energy of the engine is being used and goes into the air. The others dont explain the transfer of energy as well. I hope this helps.

Answer: Option (d) is the correct answer.

Explanation:

According to law of conservation of energy, it is stated that energy can neither be created nor it can be destroyed but it can be converted into one form to another.

For example, radiant energy from the Sun is not lost but transformed into other forms of energy.

Energy can never remain stored forever in any substance or living thing.

Thus, we can conclude that the statement radiant energy from the Sun is not lost but transformed into other forms of energy, is the best example of the law of conservation of energy.

They can be used to produce vaccines

They can be used to determine the response of tissue to drug

They can be used to produce harmones

Answer:

The common applications between the cell and organ cultures are statement 1, statement 3, and statement 4.

Explanation:

Cell cultures:  the process in which cells are grown under lab-controlled conditions, generally invitro or outside their natural environment. The cells of interest can be isolated from living tissue and can be maintained under controlled conditions carefully.

Organ cultures: it is the cultivation of the entire organ or a part of an organ in the lab conditions in a way as to maintain normal spatial relation between cells and their functions.

Both cultures can be use for produce vaccines such as rabies vaccines, production of hormones and to understand tissue response of drugs.

Thus, the common applications between cells and organ cultures are statement 1, statement 3, and statement 4.

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).

Deoxyribonucleic acid (DNA) is the genetic material of all organisms, which transmits across generations.

In conclusion, scientists compare DNA from living organisms to identify similarities between species (Option D).

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Biological adaptations are the evolved traits that increase an organism's chances of survival and reproduction. Examples include the timing of plant growth cycles to maximize light capture in both terrestrial and aquatic environments, and the different life cycle patterns such as haplontic in algae, diplontic in humans, and alternation of generations in ferns.

Adaptation is a key concept in biology, referring to how living organisms evolve traits that enhance their survival and reproductive success in a given environment. These adaptations can be incredibly diverse, reflecting the variety of challenges faced by organisms across different habitats. Let's look at some examples of life cycle adaptations in both terrestrial and aquatic environments.

In terrestrial ecosystems, plant life cycles often depend on the availability of light. Some plants have adapted to flower or grow at different times to maximize their light capture, which is essential for photosynthesis and subsequent survival and reproduction. An example of this is the desert wildflower, which blooms immediately after rare rainfall to take advantage of the fleeting availability of water and light.

In aquatic ecosystems, light availability can be limited by water absorption, depth, and the presence of other organisms. Algae and seagrasses, for instance, have life cycles that accommodate these conditions, growing in patterns and at depths where light is sufficient for their needs.

Three main types of life cycles in multicellular organisms include haplontic, diplontic, and alternation of generations (haplodiplontic). The haplontic life cycle, exemplified by many algae, is where the organism spends most of its life cycle in the haploid stage. In the diplontic life cycle, seen in animals like humans, the diploid stage is dominant. Lastly, the alternation of generations is characteristic of plants like ferns, where both haploid and diploid stages are distinct and multicellular.

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).

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.

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.

The light penetration in a river or stream is likely to be lowest AT THE MOUTH.

Streams and rivers are bodies of water that flow in one direction only; they travel from the source to the mouth. A river mouth refers to the part of a river, where the river merge with another river, stream or other forms of water bodies.

Around the mouth of the river, the water is usually murky as a result of all the sediments that the river has picked up during its travel upstream, this significantly reduce the amount of light that can penetrate the water at this point.  

Due to decrease in the amount of light that penetrate the water at the mouth region, there is decrease in the level of oxygen in the water and a corresponding decrease in diversity of plant and animals that can be found in the mouth region of the river.

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

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.

Answer: The statement is true (as corrected in Edg.)

Explanation:

Answer:

true

Explanation:

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.

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

Snakes have no eyelids, so they can never close their eyes or blink. Instead of eyelids, thin clear membrane cover their corneas, called spectacles or brilles. These are attached to their skin. Although they can not close their eyes, they can close the retinas when they are sleeping.

This is true since snakes do not have eyelids. I actually own 2 ball pythons and a boa so I know this is false.

Hope this helps.

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

Answer:

B. From the Sun through producers to consumers.

Explanation:

All energy is obtained from the Sun. So the producers (in this case plants, fruits, vegetables) receive that energy through the process of Photosynthesis. After that transfer, consumers (primary, secondary, and tertiary) gain 10% of that Sun obtained energy from its producers.

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Answer:

The answer is B.

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.

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.

i believe the answer is the sun... :)

the sun. phytoplankton are plant like protists.

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.

The Sun, Moon and stars all appear to rise in the East and set in the West, because the Earth revolves on its axis in the opposite direction from West to East every 24 hours.

The illusion of the Sun, Moon, and stars rising in the East and setting in the West is attributed to Earth's rotation. Their individual motions and our planet's tilt and orbit result in diverse paths and speeds. The idea of fixed and wandering celestial bodies arises from these observations.

The Sun, Moon, and stars, despite their inherent individual motions, seemingly move in the same path across the sky due to the Earth's rotation. This creates the illusion of these celestial bodies rising in the east and setting in the west. This phenomenon, observed over centuries, led the ancient Greeks to the idea of celestial bodies as 'fixed stars' and 'wandering stars' or planets, with the latter having independent motions superimposed on the daily rotation of the celestial sphere.

The Sun's apparent motion is affected by the tilt of Earth's axis and our planet's orbit around the Sun, causing its path to change and moving north and south throughout the year. The Moon, Earth's closest celestial neighbour, moves approximately 12 degrees per day and completes its circuit around the sky approximately once a month.

Planets are also wanderers in the sky. Their apparent motion is more complex due to their own orbit around the Sun. This results in them moving against the background of the fixed stars, reflecting an underlying order of the heliocentric, or Sun-centered, model of our solar system.

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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.

States along the east coast have a lowest to no earthquakes.

I think it is D

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- 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.