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masya89 [10]
3 years ago
13

In which of the following does the process of natural selection produce change ?

Biology
1 answer:
nevsk [136]3 years ago
3 0

Answer:

Can confirm it is A

Explanation:

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If the number of photosynthetic organisms on Earth decreased drastically, which would happen as a result?
Archy [21]

Answer: More carbon dioxide gas would be found in the atmosphere.

Explanation:

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3 years ago
Which is not a source of emerging diseases?
Illusion [34]

Answer:

The term "disease" refers to conditions that impair normal tissue function. For example, cystic fibrosis, atherosclerosis, and measles are all considered diseases. However, there are fundamentally different causes for each of these diseases. Cystic fibrosis (CF) is due to a specific genotype that results in impaired transport of chloride ions across cell membranes, leading to the production of abnormally thick mucus. Thus, CF is most accurately called a genetic or metabolic disease. Atherosclerosis, which can lead to heart attacks and strokes, may be considered a disease of aging, because it typically becomes a problem later in life after plaques of cholesterol have built up and partially blocked arteries. In contrast, measles is an infectious disease because it occurs when an individual contracts an outside agent, the measles virus. An infectious disease is a disease that is caused by the invasion of a host by agents whose activities harm the host's tissues (that is, they cause disease) and can be transmitted to other individuals (that is, they are infectious).

Explanation:

4 0
4 years ago
Nearly all plant cells and many bacteria are surrounded by a cell wall. However, the roles these walls play in cell division dif
Makovka662 [10]

Answer: A. protein like tubules

B. Microtubules

C. Microfilaments

Explanation:

Cytokinesis in the bacteria is facilitated by the presence of these conserved tubulin-like proteins. Due to the fact that their walls are flexible, constriction of these walls is possible aiding in cytokinesis. Unlike in plant that have rigid cell wall, a cell plate is involved in the formation of a new cell wall between the daughter cells. Network of microtubules determines the position of the cell plate which is mostly like a disc in the middle of the two daughter cells. Cleavage furrow occurs in animal cells which is caused by the action of the contractile ring: a ring of actin microfilament.

6 0
3 years ago
In bacteria, the genetic material is located in a region of the cytoplasm called the:.
Ber [7]

Answer:

Nucleoid

Explanation:

I just know by studying cells

5 0
3 years ago
Which of the following groups gets energy directly from the grass it eats?
tankabanditka [31]
Its c. Primary consumers
7 0
3 years ago
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