Answer:
2
Explanation:
Hair color can be determined by making a punnet square, and this involves heredity. this problem does not show natural selection or evolution, as well as environmental influences
Where is the DNA located in a male sperm cell?
A. In the sperms tail.
B. On the outer membrane of the sperm cell.
C. The sperm cell nucleus.
D. The sperm cell inner membrane.
What is the final destination of the sperm cell? *
A. Another sperm cell.
B. Female sperm.
C. Female egg.
D. Another universe.
Where does the female DNA reside?
A. Egg cell outer membrane.
B. DNA locate throughout the entire egg cell.
C. Egg cell nucleus.
D. Egg cell cytoplasm.
What must the sperm cell do in order to enter the egg cell?
A. Sperm cell must bore a hole through the tough egg cell membrane.
B. Sperm cell releases a special toxin in order for it to penetrate the outer membrane.
C. Knock three times on the outer membrane.
D. Sperm cell releases a special enzyme in order for it to penetrate the outer membrane.
Answer:
1. c. the sperm cell nucleus
2. c. female egg
3. c. egg cell nucleus
4. d. sperm cell releases a special enzyme in order for it to penetrate the outer membrane.
The skin, tears, and stomach acid are part of the body's first line of defense against infection. How do scientists classify these defenses?
A. as specific defenses, because they respond to specific physical or chemical properties of pathogens
B. as weak defenses, because they stop only a small percentage of pathogens that threaten the body
C. as nonspecific defenses, because they bar or stop infections without discriminating pathogens from other agents
D. as barrier defenses, because they act like a wall to stop pathogens from invading
Answer:
C. as nonspecific defenses, because they bar or stop infections without discriminating pathogens from other agents
Explanation:
The skin, tears and stomach acid are nonspecific defenses and they are some of the examples of the body's first line of defense. Nonspecific defenses are made up of interferons, chemical barriers (e.g. tears and stomach acid), inflammation and physical barrier (e.g. skin).
These nonspecific defenses defend the body from pathogens through their chemical contents in the body fluid or the tissue.
For example, Stomach acid is made of hydrochloric acid (HCl), HCl is potent enough to destroy pathogens that make its way into the stomach through food; this kind of barrier is a chemical barrier.
So also, the skin is a physical barrier which serve as a defense against pathogens.
Answer:
C. as nonspecific defenses, because they bar or stop infections without discriminating pathogens from other agents
Explanation:
The graphic organizer above shows the levels of organization described in paragraph 2. Based on the passage, which label goes in box (2)?
A.Organism
B.Organ
C.Organ System
D.Tissue
Considering the hierarchical level of complexity, bix (2) would be organ.
Level of complexity of living organismsThe level of complexity of living organisms follows the order: cell, tissue, organ, organ system, organism.
The order is from the simplest to the most complex with the cell being the most basic unit of all living organisms.
Thus, starting from the simplest, what should be in box (2) will be organ.
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Organ System goes in box (2). Hence the correct option is c.
The graphic organizer mentioned likely describes the hierarchical levels of biological organization, with box (2) corresponding to "Organ." In the context of biological organization, an organ is a higher level of structure composed of different tissues working together to perform specific functions.
This level typically represents a more complex structure than individual tissues but is still part of the larger framework that includes organisms, organ systems, and tissues. The placement of "Organ" in box (2) suggests that the graphic organizer is illustrating the progression from individual tissues to higher-order structures, providing a visual representation of the hierarchical organization within living organisms.
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Which Biome do we live in?
Taiga (coniferous forest)
Grassland
Temperate deciduous forest
Tropical rain forest
Answer:
It depends on where you live, but I live in a Temperate deciduous forest.
Explanation:
Answer:
Temperate deciduous forest
Explanation:
I got an A
he picture represents the respiratory system.
Which structure is represented by the X?
the pharynx
the larynx
the trachea
the bronchus
Answer:
The Answer is trachea
Which of these sentences describes a benefit of fracking? A. Fracking provides jobs for people at well sites in the United States. B. Fracking in the United States can harm the economy of other countries with oil C. Fracking chemicals can pollute local water supplies D. Fracking uses about two million gallons of water per well.
The statement fracking provides jobs for people at well sites in the United States describes a benefit of fracking.
Fracking is a well stimulation method in which a pressurized liquid fractures bedrock formations. The "fracking fluid" is injected into a wellbore at high pressure to create cracks in the deep rock formations that allow natural gas, petroleum, and brine to flow more freely.
Fracking, or hydraulic fracturing, is a method for extracting gas and oil from shale rock. It involves drilling into the ground and targeting a rock layer with a high-pressure mixture of water, sand.
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Option A: Fracking provides jobs for people at well sites in the United States, is the correct answer that describes a benefit of fracking. It highlights the economic benefits, including job creation and contributions to economic growth, despite the environmental risks involved.
Explanation:The question asks which of the provided sentences describes a benefit of fracking. Here, Option A: Fracking provides jobs for people at well sites in the United States is the correct choice as it highlights a key advantage of fracking. Fracking has been a contentious issue due to its environmental impacts, but it cannot be denied that it has significant economic benefits, including job creation and contributions to economic growth. Supporters of fracking argue that it reduces unemployment by creating jobs not just at well sites but also in industries that support oil and gas extraction operations. Moreover, it allows energy companies access to previously nonviable and completely untapped oil and gas reserves, thereby boosting domestic oil production and lowering energy costs.
While fracking indeed comes with environmental risks, such as the potential contamination of local water supplies and the production of low-emission industrial energy, these factors do not pertain to the benefits posed by the question. Hence, understanding the broader economic and job-related benefits of fracking provides a nuanced view of its role in energy production and employment.
How many molecules of ATP are made from
breaking down a molecule of glucose?
Answer:
2 ATP
Explanation:
Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules
Answer:
This Answer Up Here ^ Is Correct
Explanation:
The image below shows a convergent plate boundary.
Based on the image, which of the following would most likely form at point X as a result of the converging plates?
A.
deltas
B.
mid-ocean ridges
C.
volcanoes
D.
marshes
Answer:
volcanoes
Explanation:
Greater earthquakes and increased volcanic activity are frequently linked to convergent borders, hence option C is correct.
What is a convergent plate boundary?The subducted plate eventually becomes partially melted and molten whenever a subduction zone arises. A chain of volcanoes frequently forms parallel to convergent plate borders, and strong earthquakes are frequent along these boundaries.
The Himalayas are being created as a result of the Indian Plate and Eurasian Plate colliding.
The Aleutian Islands are the result of the subduction of the northern portion of the Pacific Plate and the NW North American Plate.
Therefore, the oceanic crust is frequently pushed down into the mantle where it starts to melt along convergent plate boundaries, hence option C is correct.
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Which type of organism undergoes the process of photosynthesis?
A. Secondary Conusmer
B. Consumers
C. Producers
D. Decomposer
Answer:
C producers
Explanation:
Producers include plants and plants undergo photosynthesis
Correct option is C. Producers are organisms that undergo photosynthesis, which include plants, algae, and some bacteria, converting light energy into chemical energy and forming the base of the food chain.
The type of organism that undergoes the process of photosynthesis is classified as a producer. Producers are organisms such as plants, algae, and certain bacteria that are capable of converting light energy into chemical energy through the process of photosynthesis.
They form the base of the ecological food chain and are critical for providing the energy that sustains all other forms of life. Consumers, on the other hand, such as animals, fungi, and various microorganisms, depend on producers for their energy, whether directly by consuming the producers themselves or indirectly by consuming other consumers that have fed on producers. Decomposers, including fungi and certain bacteria, break down dead organisms and recycle their nutrients back into the ecosystem.
How do light reactions help the Calvin cycle
A. They break down macromolecules
B. They provide photons
C. They create hydrogen ions
D. They provide energy carriers
Answer:
They provide energy carriers
Explanation:
Which statement BEST describes how mutations are related to evolution?
There is not a strong relationship between mutations and evolution
Natural selection causes evolution, which causes more mutations to appear
in the DNA of the species.
Mutations are changes in DNA that produce weaker organisms that die, so
these are eliminated by evolution.
Mutations lead to new genes, which may have an advantage over the old
forms, causing the species to evolve
Answer:
Mutations are changes in DNA that produce weaker organisms that die, so
these are eliminated by evolution.
Explanation:
Answer:
D) Mutations lead to new genes, which may have an advantage over the old forms, causing the species to evolve.
Explanation:
I took the usatestprep!
Write a couple paragraphs about how producers (plants) get their energy from the sun and animals that eat them take their energy and other animals eat them.
Answer:
First, plants receive and trap the sunlight using chlorophyll, the green substance that make up the color of the plants. Water (H2O) and carbon dioxide (CO2) from humans are also needed. The plants make their food (sugars) in this process called photosynthesis.
Second, animals consume the plants and obtain the energy from the plants. Animals cannot survive without plants, for plants produce oxygen and energy. Animals are heterotrophs, while plants are autotrophs. After the animals obtains the energy, they breathe carbon dioxide out.
Lastly, this process repeats over and over again. Plants are very important in animals' lives. This is why everyone wants to stop pollution and plant elimination. All in all, plants and animals rely on each other, and they cannot survive without each other.
Hope this helps!
plant structure that absorbs water/nutrients and anchors the plant in the soil ?
Answer:
Plants absorb nutrients and water and and is anchored through their roots
Explanation:
The roots absorb water and minerals from the soil and anchor the plant in the ground. The stem supports the plant above ground, and carries the water and minerals to the leaves. The leaves collect energy from the Sun and make food for the plant, using an amazing process called photosynthesis.
Answer: Roots
Explanation:
The plants when you give them water the roots absorbs the water
hope this helps
I just need help to identify these leaves thank you
Answer:
where r the leaves
Explanation:
picking one trait in humans you think might be selected FOR in our modern day environment. Explain your claim using supportive evidence (reasons)
Answer:
Beauty
Explanation:
These days, for better or worse, people seem to be valuing beauty, which is an impractical asset. In society, those with good looks are sometimes advantaged even over those who are physically or mentally advantaged.
The ability to adapt to technological advancements is a trait in humans that might be selected for in our modern-day environment due to the numerous advantages it provides for survival and success.
Explanation:In our modern-day environment, one trait in humans that might be selected for is the ability to adapt to technological advancements. Technological advancements are rapidly changing our environment, and individuals who can easily adapt and utilize these advancements have a greater chance of survival and success. For example, individuals who are proficient in using computers and technology have an advantage in many workplaces and can access a wide range of resources and information.
This trait is supported by the concept of natural selection, which states that individuals most adapted to their environment are more likely to survive and pass their traits to the next generation. Technological adaptability can provide numerous advantages, such as improving communication, problem-solving skills, and access to resources necessary for survival and success in our modern society.
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The width of the pyramid at each trophic level represents the number of organisms at that level. True or False?
there are some tissues in plant that __________ throughout their life.
Answer:
There are some tissues in plants that divide throughout their life.
Explanation:
These tissues are localized in certain regions. Based on the dividing capacity of the tissues, various plant tissues can be classified as growing or meristematic tissue and permanent tissue .
Answer:
There are some tissues in plants that divide throughout their life.
Explanation:
Match each of earths spheres to the materials that make up the sphere
Answer:
Earth's Spheres. Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).
Answer:
Ants: Bio
Sky: Atmo
Water: Hydro
Desert: Geo
Explanation:
Describe the rock cycle and how the rocks change over time.
Answer: i hope this helps
Explanation:
Simply put, weathering is a process of breaking down rocks into smaller and smaller particles without any transporting agents at play.
1. Erosion and Transport.
2. Deposition of Sediment.
3. Burial and Compaction.
4. Crystallization of Magma.
5. Melting.
6. Uplift.
7. Deformation and Metamorphism.
plssss plsss help, this is like the simplest of the simplest no cap
Answer:
C
Explanation:
The reason being is that plants take in carbon dioxide, and exhale oxygen, humans and flatworms inhale oxygen, and breathe out carbon dioxide.
are viruses living or nonliving
Answer:
they are nonliving
Answer:
Explanation:
They are both
Use the drop-down menus to complete the statements.
Two people, Steve and Nancy, both live in Boston, Massachusetts.
Steve and Nancy are .
Since they are both human, they are part of the same .
Because they both live in Boston, they are in the same .
Answer:
Organisms
Species
Population
Explanation:
Answer:
organisms
species
population
A particular species of seabird has a mutation in the gene pool that gives it a bigger beak. Individuals with this mutation can more easily break open clams and other mollusks for food. They can also defend themselves better against predators. Over time, most of the organisms in the population have big beaks. What’s this an example of? A. homeostasis B. low genetic variation C. natural selection D. neutral mutation
Answer:
C, natural selection
Explanation:
Mark brainliest please.
Answer:
c
Explanation:
Identify and explain what the labeled points (A, B, and C) on the diagram. Then infer what the bottom line
segment between the time period of 17 and 25 represent?
Answer:a
Explanation:
All annelids and arthropods have
All annelids and arthropods possess a segmented body.
All annelids and arthropods share the characteristic of having a segmented body. This segmentation provides increased flexibility and allows for a wider range of motion. Both Annelida, including earthworms, and Arthropoda, such as ants, exhibit this feature. In annelids, segments are more uniform with structures like the intestine extending through most segments.
Many annelids also have chaetae, which are chitinous hairlike extensions that assist in locomotion. Arthropods, on the other hand, possess an exoskeleton and their body segments are often fused into regions known as tagma, with specialized segments performing different functions. Arthropods typically have an open circulatory system, using various respiratory structures such as book gills, book lungs, or tracheal tubes.
Which properties of grains determine the texture of rocks? Check all that apply. -feel
-pattern
-color
-shape
- size
Answer:
Pattern shape and size
Explanation:
The properties of grains that determine the texture of rocks may significantly include pattern, shape, and size. Thus, the correct options are B, D, and E.
What do you mean by the textures of rock?The texture of rock may be defined as microstructure refers to the relationship between the materials of which a rock is composed. It is generally categorized as crystalline, fragmental, aphanitic, and glassy.
According to the context of this question, the texture of a rock describes the mutual relationship and packing marshaling of different mineral grains and glassy matter present in a rock. These textures of rock may be determined by the numerous properties of grains.
Therefore, the properties of grains that determine the texture of rocks may significantly include pattern, shape, and size. Thus, the correct options are B, D, and E.
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According to your equation, what isotope remains after the alpha decay of uranium-238?
Answers:
thorium-234
Explaination:
Isotopes are defined as the variants of a particular chemical element obtained by radioactive decay which makes it differ in neutron number and nucleon number but have the same number of protons in each atom.
Uranium-238 produces thorium-234 by alpha decay. alpha particle is a helium nucleus which carry 2 neutrons andn 2 protons with the mass number 4. In alpha decay, nucleus emits alpha particles which tranforms or decay into an atom with a mass number 4 less and an atomic number 2 less.
The equation for alpga decay is attached below:
Hence, the isotope is thorium-234 .
The fetal skeletal is made of cartilage and eventually turns to bone in a process called ossification. Given what you know about bone cells, how do you think this occurs?
Answer:
Explanation:
Based on what is known about the fetal skeleton and the ossification process it can be said that this occurs due to babies having more of the osteoblasts bone cells. These cell's main function is to lay down new bone material, this therefore creates a thicker harder bone which allows for proper support so that the body can continue growing and become stronger overall.
Ossification is the process by which cartilage turns into bone. Osteoblasts play a key role in this process by secreting proteins that form the bone tissue framework. Mineral salts are then deposited on this framework, resulting in the formation of mature bone.
Explanation:
The process of the fetal skeletal system transitioning from cartilage to bone involves a physiological process known as ossification. In the early stages of fetal development, the skeleton is primarily made of flexible cartilage. However, as the fetus grows, most of this cartilage is replaced with bone. This change is facilitated through bone cells known as osteoblasts and osteoclasts. Osteoblasts are the cells responsible for bone formation. They produce a matrix that then becomes mineralized, creating new bone. On the other hand, osteoclasts are cells that break down bone tissue, which aids in the remodeling of bones as well as in the release of the minerals from the bone into the bloodstream. This ongoing process of building up and breaking down tissue, replacing cartilage with hardened bone tissue, is known as ossification.
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Which was an advantage for the South at the start of the Civil War?
A) a smaller population
B) an industrial economy
C) a well-ed army
Answer:
C) a well-ed army.
Explanation:
They had better generals and soldiers. They were also fighting a defensive war.
Please help!!,!
why is a human urinary system not able to handle hibernation?
Answer:
Human urinary system is not able to handle hibernation because kidneys of human continuously removes waste products in the form of urine.
Explanation:
Hibernation did not occur in human being. It is mostly occurs in animals such as bear. During hibernation period of bear, no urine is produce by the kidneys of bear but human lack this property. Human urinary system is not able to handle hibernation because human has no ability or presence of such type of mechanism due to which human go into hibernation and also prevents the production of urine just like bears.
Answer:
because people cant hold it in for that long
hey it me yader
Explanation: