The purpose of the digestive system is to break down food into simple molecules that the

2 answers:

8 0

The purpose of the digestive system is to break down food into simple molecules that the cells of the body can use.
Food is broken down into its simplest units called monomers. Proteins are broken down into amino acids, fats are broken down into fatty acids and glycerol while carbohydrates are broken down into glucose units.
Glucose is taken in by the cells of the body and through the process of cellular respiration is used to produce the ATP, the form of energy that cells use. Cellular respiration is the process by which cells use glucose to produce energy to power their functions.

~Not sure if this will help you, but I hope it did~

LenaWriter [7]3 years ago

3 0

<span>The purpose of the digestive system is to break down food into simple molecules that the c</span>ells of the body can use.

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ancestors of giraffes with shorter necks could not reach branches high up in trees for food. this led to selection for longer-ne

hichkok12 [17]

With shorter necks, giraffe ancestors could not reach food-containing branches on tall trees. This resulted in the directional selection of giraffes with longer necks.

<h3>Why is choosing a direction necessary? </h3>

It nearly appears obvious that the giraffe's long neck developed as a result of a lack of food in the lower branches of trees. The giraffe has a significant advantage because it is taller than any other mammal and can feed where few others can.

When compared to modern giraffes, the giraffe's ancient predecessors had a shorter neck. The plants that were lying at a higher level were inaccessible to them. Giraffe phenotypes have changed in various ways, and now have long necks to reach vegetation that is higher up. The extreme form is chosen above other features in directional selection. It was decided to choose the long-necked giraffe over the short-necked.

To know more about direction selection for longer necked giraffes visit:

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1 year ago

There is a normal distribution of traits seen in natural selection, where the medium trait is favored.

Contact [7]

Answer:

<em>The correct option is B) the total variety of organisms on Earth</em>

Explanation:

Biodiversity can be described as the diversity or variety of life present on Earth. The variety of plants and animals which are located in different habitats make up the biodiversity. Biodiversity is the reason that different variety exist between members of a species. Biodiversity tends to favour those organisms which are better adapted to live in an environment. These organisms tend to pass on their characteristics to their offsprings and become more in number.

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3 years ago

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Hybridization between two species from different genus is known as __________

gladu [14]

Answer:

interspedric hyprisation

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3 years ago

Anyone know #1? Thanks!

sesenic [268]

Humans, chimpanzees, gorillas, and orangutans are all part of the family of organisms called Hominidae. So monkeys would be your best bet.

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Warmer ocean surface water would most likely be found near ___.

KiRa [710]

The warm ocean water is usually found near the top surface of the ocean. The sun makes the surface of the ocean warm and thus heat up its water. This heat is later mixed by the winds and sea waves from top to beneath the ocean surface. The temperature of the surface is usually warmer than the water at depths as it does not receive sun light. The average ocean temperature at the surface is 17 degree Celsius while at greater depth the temperature falls down to 0 to (-3) degree Celsius

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3 years ago