The crab is a natural predator to the snail. Overtime, the shell of the snail has become thicker and spinous to deter the crab’s predation. The evolutionary response to this would most likely be that

the crab species will become extinct because they have no food source.

the snails will thrive and the predator/prey relationship will swing back.

the crab will find a new organism to prey upon.

the crab will evolve to have more powerful claws.

Answers

Answer 1
It would be the last one or the first one!
Answer 2

Answer: the crab will evolve to have more powerful claws.

Explanation: Evolution is the change in the characteristics and features of a species over generation which develops due to natural selection and adaptation within the course of time. The predator is an organism which kills other organism to obtain it as food. The prey is an organism which is killed by the other organism.

According to the given situation, if the prey develops special adaptations to prevent itself from the predator. The predator will also be evolved so as to obtain prey as food. Therefore, the crab will evolve to have more powerful claws is the correct option.  


Related Questions

During fertilization in multicellular organisms, a sperm cell fuses with an egg cell to form a zygote. then, the zygote begins to divide. first, one cell becomes two, then two cells become four, four cells become eight and so on and so forth until a large ball of identical cells is formed. at this point, the ball begins to change. a space forms in the middle, and the cells are pushed inward to form layers. if cell differentiation begins after this phase, what most likely triggers this process?

Answers

The process is likely to be triggered by the formation of the layers. Zygote is the structure that forms when a sperm fertilizes an egg, the zygote then divides many times by the process of mitosis to form an embryo. That is, it forms two cells, then four, then eight and so on, up to the eight stage the cells are identical and are called embryonic stem cell, which then develop into any specialized cells type by differentiation, that the growing embryo needs, such as the nerve cells, blood cells, among others.

the formation of the layers

Captive breeding programs are used to

Answers

To repopulate and introduce species into the wild

They are used to replenish the wild populations of endangered species.

if retinal detachment occurs in the macula lutea, one can predict that there would be a significant loss of ______.

Answers

The correct answer is color vision.
The macula lutea is an area near the center of the human's eye retina. It has an oval shape and is responsible for the high-resolution color vision we have under good light conditions. If the macula lutea is destroyed, due to macular degeneration or a retinal detachment, then this color vision is impaired.

What is desertification? How are nomads and droughts related to this process? (Site 2)

Answers

Desertification is a process which fertile land becomes desert.
Nomads are trying to escape the desert but soon brings it with them.
Droughts cause desertification

Desertification is the process by which vegetation in drylands i.e. arid and semi-arid lands, such as grasslands or shrublands, decreases and eventually disappears

Nomads practice desertification

What is desertification?

Desertification is the process by which vegetation in drylands i.e. arid and semi-arid lands, such as grasslands or shrublands, decreases and eventually disappears.

Activities that nomads practice, such as deforestation and overgrazing, further advance the desertification process in vegetated areas.

Droughts occur when there are drier than normal conditions in an area, impeding vegetation growth and surface water accumulation. These two factors contribute to desertification

Nomads and drought are related to this process as their activities and the environmental conditions they face

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what disorders are found on chromosome 17?

Answers

Autism, Schizophrenia, leukemia, 

could you give me brainliest if correct?

Answer:

List the genetic disorders found on chromosome 17.

Tumor suppressor protein

Charcot-Marie-Tooth syndrome

Breast cancer

Explanation:

As part of a simulation of evolutionary process, a teacher drops 500 red and 500 green jelly beans on green grass. the red and green jelly beans represent individuals of the same species. students represent predators and pick up as many jelly beans as possible in 30 seconds. which prediction is most accurate?

Answers

The answer should be: green individuals are more likely to survive and reproduce

In a green grass field, green beans will be hard to be noticed. Unlike the green beans, the red beans will have a high contrast to the green color of the grass. This makes the red bean easier to found and eaten by the predator. Green individuals will be more likely to survive and reproduce because it could blend with the grass.

Final answer:

In a simulated evolutionary process using jelly beans as prey and students as predators, it would be predicted that more red jelly beans would be picked up than green ones due to the green jelly beans' camouflage in a green grass environment, illustrating natural selection.

Explanation:

In the jelly bean simulation, the most accurate prediction would involve predation pressure and camouflage. As the simulation takes place, students will likely pick up more red jelly beans than green jelly beans because the red ones will stand out against the green grass, and the green ones will be harder for the 'predators' students to see. This represents a selection pressure similar to that in nature, where individuals that blend into their environment are less likely to be preyed upon, and therefore, more likely to survive and reproduce.

If the red jelly beans are deemed to be eaten and thus removed from the gene pool, we would expect the population of jelly beans over subsequent generations to have more green individuals. This simulation represents natural selection, where the green jelly beans have a survival advantage in this environment due to their camouflage, a form of natural selection that can lead to evolutionary changes in the population over time.

which hormone aids in water resorption?

Answers

It is a vasopressin hormone or antidiuretic hormone (ADH). This is a hormone which is synthesized in neurons in the hypothalamus, and released from the vesicles of the posterior pituitary. Vasopressin is released in response to extracellular fluid hyperosmolality. Its function is to increases the reabsorption of water into the circulation from the filtrate (nephrons of the kidney). Also, it raises arterial blood pressure by constricting arterioles.
Final answer:

Aldosterone is the hormone that aids in water resorption by promoting the reabsorption of sodium and the retention of water.

Explanation:

The hormone that aids in water resorption is aldosterone. It is released from the adrenal cortex and promotes the reabsorption of sodium by the nephron, which in turn promotes the retention of water. Aldosterone is important in regulating potassium and has a dual effect on both minerals.

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The part of the neuron that carries messages toward other neurons is called the

Answers

Hey user☺☺

Axon is the right answer

Hope this will help☺☺

Both Earth and the planet Venus have a large amount of water vapor in the atmosphere, and have extensive volcanic activity throughout history. Does this observation support or disprove the inside-out model? Supports, because Venus is near Earth and would have been hit by all the same comets. Disproves, because a single observation can discredit a theory. Disproves, because data taken on Venus is not applicable to Earth. Supports, because it shows that volcanic activity may be related to water vapor.

Answers

i would say it supports the inside out model. because both planets are similar

Supports, because it shows that volcanic activity may be related to water vapor.

An acute or chronic skin inflammation characterized by erythema, papules, vesicles, pustules, scales, crusts, scabs, and possibly itching, is known as

Answers

The symptoms you have listed are describing ECZEMA. There is no exact cause of this skin condition, however, it could possibly come from your genetics or your body's immune system overactive response to something irritating that came across it such as a type of food you eat. 

Let me know if you need anything else. 

                         - Dotz

"The correct term for the skin condition described is ""dermatitis.""

Dermatitis is a general term that encompasses a range of skin conditions characterized by inflammation of the skin. The symptoms mentioned, such as erythema (redness), papules (small, raised bumps), vesicles (small fluid-filled blisters), pustules (pus-filled blisters), scales (flaky skin), crusts, scabs, and itching, are all indicative of various forms of dermatitis. This condition can be acute, with a sudden onset and short duration, or chronic, with symptoms persisting over a longer period. The causes of dermatitis can vary widely, including allergic reactions, irritants, genetic factors, and systemic diseases. Treatment depends on the cause and may include topical corticosteroids, antihistamines, and lifestyle modifications to avoid irritants and allergens."

.
How do marine biomes affect temperature on land?

Currents transport oxygen and cool the air above.

Currents transport oxygen and warm the air above.

Currents transport cold and cool the air above.

Currents transport heat and warm the air above.

Answers

Marine biomes affect temperature on land, such that currents transport heat and warm the air above. Warm and cold ocean currents can affect the climate of an area along the coast if the winds blow in from the ocean. Warm ocean currents heat the air above the water and carry the warm air to the land, increasing the temperature of the coastal region. 

Answer:

Currents transport heat and warm the air above.

Explanation:

Ocean biome is a biotic community that is present in the ocean. An ocean biome is the largest biotic community that supports and allows various marine life-forms to thrive and live. An ocean biome supports all sorts of marine life-forms right from fishes to whales, along with other exotic creatures.

The USGS estimates that the United States uses less than 200 billion gallons of water a day. Please select the best answer from the choices provided T F

Answers

For the answer to the question above, I believe the answer is "FALSE"
As of 2010, the U.S. uses a gallon of 355,000 million gallons of water per day or 397,000 thousand acre-feet per year.
I hope my answer helped you.



The answer to this question is FALSE :)

An eosinophil is a white blood cell involved in controlling infections. It is surrounded by red blood cells that carry oxygen. The white blood cell is part of the _________________system, while the red blood cells are part of the ____________________ system.

Answers

Answer:

White blood cell - immune

Red blood cell - Circulation.

Explanation:

Blood is composed of the formed elements and the plasma. The formed elements of blood are red blood cells, white blood cells and platelets. The plasma contains proteins and ions.

The white blood cells contain eosinophils, neutrophils and the B cells and T cells that plays an important role in the immune system. The white blood cells protect the body from the pathogens. The red blood cells are involved in the circulation process of the body that carries the material and products from one side of the body to another.

Thus, the answer is White blood cell - immune

Red blood cell - Circulation.

Final answer:

The eosinophil, a type of white blood cell, is part of the immune system, while red blood cells, which carry oxygen, are part of the circulatory system.

Explanation:

An eosinophil is a type of white blood cell that plays a crucial role in the immune system. It helps our bodies fight infections by destroying foreign substances. Therefore, the eosinophil is part of the immune system.

On the other hand, red blood cells, also known as erythrocytes, are primarily responsible for carrying oxygen from the lungs to the rest of the body. Thus, red blood cells are part of the circulatory system.

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What three mechanisms regulate the heart?

Answers

The three mechanisms which regulate the heart are endocrine, cardiovascular and Sinoatrial nodes.
The endocrine system consists of the glands and hormones of the human body. The cardiovascular system is the organ system which is responsible for the circulation of the blood around the body and the oxygenation of the body's tissues. The sinoatrial node (SA node) generates the electrical impulses and is considered the natural pacemaker of the heart.

The myelination of central and peripheral axons occurs rapidly through the first few years of life. how can this development process explain the improved motor abilities of infants and toddler

Answers

The development of the myelination of central and peripheral axons occurs rapidly through the first few years of life due to the fact that without myelination, information about limb movement moves slowly to the CNS, and motor commands move slowly back to the muscles.

What is Myelination?

Myelination may be defined as the process through which brain oligodendrocytes produce layers of myelin that wrap around the neuronal axons and act as a layer of insulation for the transmission of electric action potentials down the neuronal axon.

Myelination is an important developmental process that begins during the fifth fetal month with myelination of the cranial nerves and continues throughout life.

Without actual myelination, information related to limb movement moves gradually to the part of the central nervous system and motor commands move slowly back to the muscles. By the time the motor command has reached the muscle, it may no longer be appropriate.

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During which period did rodents, marsupials, primates, and hoofed animals first appear in north america

Answers

For the answer to the question above, I believe the answer is "Tertiary Period"
The Tertiary Period marks the beginning of Cenozoic Era. It only began 65M years ago and lasted more than 63M years, until 1.8 million years ago. I hope my answer helped you. Have a nice day!

Final answer:

Rodents, marsupials, primates, and hoofed animals first appeared in North America during the Paleocene to Eocene epochs within the Cenozoic era, with significant diversification by the end of the Oligocene.

Explanation:

Rodents, marsupials, primates, and hoofed animals first made their appearance in North America during the Paleocene to Eocene epochs within the Cenozoic era. By the beginning of the Eocene epoch, approximately 56 million years ago, we see the emergence of the first true primates and other mammalian orders. During the late Eocene, these groups started to diversify, and by the end of the Oligocene, around 23 million years ago, the first large-bodied herbivores and specialized carnivores appeared.

The paleontological evidence indicates that early forms of modern mammals including proto-primates and the ancestors to today's rodents and hoofed animals existed during these epochs. As the Eocene gave way to the Oligocene epoch, mammalian life in North America began to exhibit greater variety and adaptation to their respective niches, including the evolution of various primate groups.

In an ecosystem, can there be more carnivores than herbivores? Explain why or why not?

Answers

Yes. In a desert, which mostly is sand, insects, and animals, there are mostly carnivores. Carnivores are animals that eat meat. there is little vegetation in deserts because of the dry soil and lack of rain. 
No, thee must be a balance between the two. Too many carnivores mean the herbivores will be hunted way r quickly and will die off, however way to many herbivores means the grass and plant supply will run out. If the two aren't balanced properly the ecosystem will be out of balance.

What percent of earths water is found in the ocean ?

Answers

Hi there!

Earth is covered in about 71% water. 96.5% of the water on earth comes from our oceans. 

Hope this helps you!

~DL

What do scientists know about extrasolar planets? There are very few that are habitable. There are several that have liquid water on them. They don’t exist. There are likely billions of them in the galaxy.

Answers

There are likely billions of them in the galaxy

i believe the answer is the 3rd one

there are likely billions of them in the galaxy

Determine if the statement is true or false.

The idea of uncontrollable criminal impulses based on an offender's genetic makeup was proven by the Human Genome Project.


False



True

Answers

your answer is *false*

Answer:

The statement is false.

Explanation:

The human genome project was scientific research that took place globally with the aim of determining the genes that make up the human genome and information about the sequence of base pair of nucleotide forms human DNA.

It was used to find out the map and identify all genes of the human genome with function and physical aspect.

Thus, the correct answer is - a false statement.

Why is nitrogen essential to the growth of a fungus, but not to the spread of rust?

Answers

Without amino acids, plants cannot make the special proteins that the plant cells need to grow.

Without adequately nitrogen, plant growth is impacted negatively. With too much nitrogen, plants produce excess biomass, or organic matter, such as stalks and leaves, but not enough root structure.

Why is nitrogen useless to animals?

Nitrogen is needed both by Plants and Animals because it is the major constituent of proteins, vitamins, hormones etc.

Nitrogen is a crucially significant component of life. Every living organism including plants and animals requires nitrogen for its growth and development.

Thus, Without adequate nitrogen, plant growth is impacted negatively.

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Final answer:

Nitrogen is essential for the growth of a fungus, but not for the spread of rust.

Explanation:

Nitrogen is essential to the growth of a fungus because it is a critical component of amino acids, which are the building blocks of proteins. Fungi use proteins to carry out various cellular functions, including growth and development. On the other hand, rust is a type of fungus that primarily spreads through asexual reproduction. It does not require nitrogen for its spread because it produces spores that can be easily dispersed by wind or water.

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Which body systems are directly responsible for regulating these nodes and protecting the body from harmful materials in tissue fluid?

Answers

The body systems are directly responsible for regulating these nodes and protecting the body from harmful materials in tissue fluid are the immune and lymphatic systems. Lymphatic is a network of tissues and organs that help rid the body of toxins, waste, and other unwanted materials. The immune system on the other hand is the system that prevents the invasion of pathogens causing diseases to the body. 

The lymphatic system is a collection of tissues, veins, and organs that work together to restore lymph, a colourless, watery fluid, to your circulatory system.

The system that regulates the nodes and protect the body from harmful materials is the Lymphatic system.

The Lymphatic system

The lymphatic system is an organ system of all vertebrates which is a part of immune system and circulatory system.

It is made up of big network of lymphatic veins, lymph nodes, lymphatic or lymphoid organs, and lymphoid tissues.

The vessels carry the lymph fluid. This fluid is white and transparent.

This system maintain the fluid of the body and also protects the body from harmful toxins and invaders.

It helps in absorption and transfer of fatty acids and fats.

Plays a major role in our immune system as it transfer white blood cells from the bones and to the bones.

Thus, the lymphatic system protects the body and remove harmful material from the fluids.

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"if you wanted to portura, where would you look?" in the soil in leafe litter under stones or bark in animal burrows all of these places

Answers

The correct answer is:  [E]:  "all of these places" .
______________________________________________________
Note:
______________________________________________________
that is:
______________________________________________________
Choices provided for:  [A]; [B]; [C]; and [D];  are correct:
______________________________________________________
  "in the soil" ;
______________________________________________________
  "in the leaf litter" ; {Note of interest:  "Leaf litter" is also called "duff".}.
______________________________________________________
  "under stones or bark" ; 
______________________________________________________
  "in animal burrows" .
______________________________________________________

What are the three jobs done by the blood vessels cilia and mucus in your nasal cavity?

Answers

The three jobs done by the blood vessels cilia and mucus in the nasal cavity are to warm, moisten, and fill the air.

What is cilia in nose?

The nasal cavity, mouth, throat (pharynx), and voice box are the main routes and structures of the upper respiratory tract (larynx). A mucous membrane that secretes mucus lines the respiratory tract.

Smaller particles like smoke or pollen are captured by the mucus. Cilia, which resemble hairs, line the mucous membrane and transport mucus-trapped particles outside the nose. The tissue that lines the nasal cavity moistens, warms, and purifies the air that is inhaled.

The nose serves as both an organ of smell and a major airway for air to enter and exit the lungs. Before air enters the lungs, it is warmed, moistened, and cleaned by the nose.

Therefore, The three jobs done by the blood vessels cilia and mucus in the nasal cavity are to warm, moisten, and fill the air.

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Final answer:

The blood vessels warm and humidify air, cilia trap and remove particles, and mucus carries these particles toward the throat for expulsion or swallowing.

Explanation:

The three jobs done by the blood vessels, cilia, and mucus in your nasal cavity are warming and humidifying the air, trapping and removing particles, and moving the mucus with trapped particles toward the throat. Blood vessels in the nasal cavity help warm the air to body temperature and add moisture to it. Cilia, which are microscopic, hair-like projections on the cells lining the airways, work in conjunction with mucus to trap dust, germs, and other foreign particles. The cilia then move in a wave-like motion, creating a mucociliary escalator that propels the mucus and trapped particles toward the throat where they can be swallowed and destroyed by the stomach acids.

Explain the importance of biodiversity to an ecosystem. in your answer, be sure to:

Answers

Biodiversity supports biological system efficiency where every specie, regardless of how little, all have a vital part to play. For instance, A bigger number of plant species implies a more prominent assortment of products. More noteworthy species assorted variety guarantees common maintainability for all living things.

The set-point theory suggests that when a person is on a restrictive diet, the body responds by initiating physiological changes that

Answers

The correct answer is 'slow down the basal metabolic rate.'The set-point theory suggests that the body lowers the energy expenditure on a restrictive diet to be able to continue functioning normally. 

What is the vascular ring around the pituitary gland?

Answers

Circle of Willis.

I hope this helps ^_^

How does the top level of an energy pyramid compare to the bottom level of that energy pyramid?

Answers

the bottom have half has nutritional energy but as it moves up it gets lost as sun light

Answer:

The top level of an energy pyramid has minimum energy and the bottom level has maximum energy.

The producers that make food by the help of photosynthesis has maximum energy.

As the pyramid reaches the top the energy decreases as per the 10 per cent law. The top carnivores has the minimum energy.

You observe that a mystery organism in a pond never comes up to the pond's surface. if you are able to catch one of these organisms, bring it to the lab and dissect it, you should find ______________.

Answers

The answer would be gills

If the organism never comes up to the surface of the pond, its respiratory organs should be able to take oxygen from water efficiently. The organ that adapted for taking oxygen from water is gills. Book lungs and spiracles found in insects and it is not an ideal respiratory organ in water. Trachea or windpipes should be used for delivering wind from the atmosphere, not water.

Which vitamins and minerals promote healthy bones?

Answers

Hello!

Calcium or vitamin C is good for the bones.

hope this helps!

~Lex
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