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Anna71 [15]
3 years ago
10

Explain the concept of natural selection.

Biology
1 answer:
umka21 [38]3 years ago
6 0

Answer:

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

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I don't understand help please ​
Ivahew [28]

Answer:

No

Explanation:

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In estimating the population of tilapia in a fish pond, 60 fish were captured, marked and released. After 2days, 50 were capture
hoa [83]

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D.100

Explanation:

its because when 50 were captured, 10 were later marked

3 0
2 years ago
All macronutrients, vitamins and minerals provide energy. <br> a. true <br> b. false
erastova [34]

Answer:

True

Explanation:

Macros are macronutrients. Your body needs these nutrients in larger amounts in order to function properly as macro means large. In addition, all of these nutrients provide your body with energy measured in the form of calories or kcals. There are three types of macronutrients: carbohydrates, proteins, and fats.

Hope it helps

bye broskis

8 0
1 year ago
.Proteins can be visualized in many ways, each of which highlights a specific aspect of the protein. Drag the terms on the left
ANTONII [103]

Answer:

1. Space-filling

2. Ribbon model

3. Wire frame

4. Simple shape

5. Simplified diagram

Explanation:

"attached is the question"

A protein can be visualized using different types of models. The models you use will depend on what you want the viewer to understand. A space-filling model would show all the atoms that composes a protein. This type of model makes use of spheres, emphasizing the globular structure of the atoms. They are proportional to the actual size of the atom they represent.  Each type of atom is a different color. Even the distances of the spheres are proportional to its size to help viewers better see the actual shape of the protein. Ribbon model is also a 3D representation of a protein. It shows the only the backbone of the protein. It highlights the folds and coils in a protein, generally the organization. Some versions show the α-helices as ribbons and β-strands are shown as arrows. Wire frame model is like the ribbon model but it also shows the side chains. It shows the different atoms that are involved. Thin wires show the bonds made between the atoms and the wires bend show the relative location of the atoms. A simple shape focuses more on the function of the protein overall rather than the internal structures. The shape does not represent a particular protein, merely using a general shape to represent a protein. A simplified diagram shows more detail than the simple shape. It shows the internal structures as well but like the simple shape model, it focuses more on the function of the protein. A version of it is a solid shape, which does not show the internal structure.

6 0
3 years ago
The genetic material appearing like a thread in the nucleus is known as _____. chromatin DNA the spindle
murzikaleks [220]
<span>The correct answer is the chromatin. The chromosomes of all organisms, excluding bacteria, are made of chromatin. Chromatin is a group of macromolecules consisting of RNA, DNA, and protein.</span>
4 0
3 years ago
Read 2 more answers
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