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3 years ago

Please help. I will mark you as brainliest and give you points :)

Biology

1 answer:

inessss [21]3 years ago

7 0

Answer:

A hummingbird feeding: Mutualism

Explain Interaction: The hummingbird drinks the nectar from the flower and the hummingbird may help pollinate the flower.

I'm a bit confused by the plants on the floor one.

Plants on a Forest Floor: Competition

Explain Interaction: The plants on the forests floor compete with each other for the same resources. Both may not receive enough of those resources. Note: When I was around Middle School and High-school I was only taught mutualism, commensalism, and parasitism, so let me know if competition is not a choice your teacher gives you to choose from or wasn't taught to you

Flea bites human: Parasitism

Explain Interaction: The flea drinks the persons blood as food and the person is hurt. Flea bites can be itchy and become painful. Fleas may also also carry disease.

Clownfish in Anemone: Mutualism (although I hear some people say commensalism)

Explain Interaction: The anemone provides protection and a place to live for the clownfish. The anemone may eat bits of food left over from the clownfish.

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The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fu

andrey2020 [161]

Answer:

The cell membrane separates the external and internal environment of the cell. The cell membrane is composed of bilayer lipids, proteins and small amount of carbohydrates.

The lipid part is soluble in hydrophobic environment or with the hydrophobic part of other phospholipids because like molecules dissolve in like molecules. The hydrophobic part is non polar and hydrophilic parts is able to dissolve in polar area due to the interaction of same molecules with each other.

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3 years ago

By the end of the eighth week, the embryo, which is only 1 inch long and weighs just 1 gram, __________.

daser333 [38]

Given what we know, we can confirm that the statement in the question is in fact true, by the end of the eighth week, the embryo is only 1 inch long and weighs just 1 gram.

<h3>What else do we know about the embryo in this time frame?</h3>

During the first eight weeks, the embryo undergoes many changes. At this time:

The legs and arms have formed.
The fingers and toes are beginning to develop.
It begins to be called a fetus.
It is developing the lungs and lymphatic system.
and much more.

Therefore, we can confirm that the statement that by the end of the eighth week, the embryo is only 1 inch long and weighs just 1 gram, is in fact true.

To learn more about embryology visit:

brainly.com/question/1255159?referrer=searchResults

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2 years ago

The two parts of cellular respiration which must occur twice for each glucose molecule that enters the process are

rosijanka [135]

Answer:

the citric acid cycle and preparatory steps

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2 years ago

Social Behavior

KiRa [710]

Explanation:

Social behavior refers to the interactions that occur between two or more members of different species.

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2 years ago

Carbohydrates are the primary source of energy for the human body,

Ipatiy [6.2K]

Answer:

If your body lacks enzymes that break down carbohydrates, it would be unable to get glucose molecules.

If you lacked the enzyme to digest proteins, you may not absorb enough amino acids.

Explanation:

Carbohydrates and proteins are the food materials that are used for the production of energy. Our body cannot absorb carbohydrate so it must be broken down into simpler substance such as glucose molecules by amylase, while proteins are broken down into simpler substances such as amino acids by pepsin enzyme.

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3 years ago