How did the Earth get these different layers? Did the Earth always have very separate, distinct layers? Describe what happened.

1 answer:

7 0

Answer: The different layers are a result of lighter parts (such as the continental crust) settling at the surface level and heavier parts (such as iron and nickel in the core) settling in the middle. The layers separate by density, otherwise known as compositional layering. The earth did not always have these layers, as it had to undergo cooling to form some of them (like the continental crust).

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At the beginning of cellular respiration, energy is stored in the bonds of blank molecules.

PtichkaEL [24]

At the beginning of cellular respiration, energy is stored in the bonds of glucose molecules.

At the end of cellular respiration, energy is stored in the bonds of ATP molecules.

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3 years ago

Even though scorpions are related to spiders, there are many differences between the two

Dmitrij [34]

Answer:

Cell differentiation

Explanation:

Cell differentiation is common with multicellular organisms. It is the process by which a cell changes from one cell form to another. Cell differentiation makes the change from a zygote to a complex system with different parts.Cells which have been differentiated also becomes specialized. Complex multicellular animals and plants would not be in existence without specialization. This is because cells have specialized functions and each cell is very important to the survival of the organism.

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3 years ago

In what form is coded information found in DNA? letters of the alphabet the type and sequence of molecules along each strand no

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The correct answer is the type and sequence of molecules along each strand.

The DNA is formed of molecules known as nucleotides. Each nucleotide comprises a sugar group, a phosphate group, and a nitrogenous base. The four kinds of nitrogen bases are thymine (T), adenine (A), cytosine (C), and uracil (U). The order of these bases is what that determines the genetic code or the DNA instructions.

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3 years ago

1. How were the scientists able to figure out how many animals there were of each species in

wlad13 [49]

Answer:

More than 35 species of plains animals

Explanation:

In addition to more than 35 species of plains animals, there are some 3,000 lions and great numbers of spotted hyenas, leopards, rhinoceroses, hippopotamuses, giraffes, cheetahs, and baboons.

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2 years ago

A fox is a type of mammal that is related to dogs. How does a fox most likely respond to hot air temperatures in a way that ecto

sveta [45]

Answer:

By panting or breathing heavily.

Explanation:

An ectothermic animal is one whose body temperature depends on the temperature of the external environment.

The body of ectotherms regulates temperature depending on the temperature of the external environment where such animal finds itself.

Hence, when the temperature of the external environment rises as a result of hot air, the body of an ectotherm (that is homeothermic, that is, maintain a relatively constant body temperature irrespective of the temperature of the external environment) will adjust so as to keep its temperature relatively constant.

Dogs generally pant (breathe heavily) to bring their body temperature back to normal whenever it rises beyond normal due to rigorous physical activities or high external temperature.

Hence, a fox will most likely pant in response to hot air temperature just like dogs.

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3 years ago