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gregori [183]
3 years ago
14

Help me with this question

Biology
2 answers:
Gwar [14]3 years ago
8 0
One reason why a species may go extinct is due to environmental changes. For example, if a environment undergoes deforestation / wild fires it’s environment will no longer be grassy green and would not allow for an animal like the Japanese rat snake to use its green coloring to camouflage from predators
iogann1982 [59]3 years ago
7 0

Answer:

Interspecific competition

Explanation:

Extinction is frequently caused by interspecific competition. The less well-adapted species may receive a smaller share of the resources that both species require. As a result, members of that species have a lower chance of surviving, and the species may eventually become extinc

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Smooth muscle is characterized by all of the following EXCEPT ________. a) it appears to lack troponin b) there are noncontracti
larisa86 [58]

Answer:

There are more thick filaments than thin filaments. (Ans. D)

Explanation:

Smooth muscle doesn't contain the calcium binding protein troponin. In smooth muscle, contraction is initiated by a calcium regulated phosphorylation of myosin, rather than a calcium activated troponin system.

The intermediate filaments are connected to each other with the help of dense bodies, which are attached to adherens junction in the cell membrane of the smooth muscle cells which are known as sarcolemma.

Smooth muscle cell lack sarcomeres because their filaments occur as a spiral and actin, myosin filaments are not regularly arrayed along the length of the cell.

In smooth muscle thin filaments occurs more than thick filaments.

So, the answer is D.

8 0
4 years ago
Explain health in biology​
poizon [28]

Answer:

The World Health Organization defines health as "the state of complete physical, mental, and social wellbeing and not merely the absence of disease or infirmity." In either sense, health is a state of action that includes prevention, care, and individual responsibility to achieve optimal health.

Explanation:

6 0
3 years ago
What is the advantage of the selective microorganism of a cell?<br>​
Bumek [7]

Answer:

Selective and differential media are used to isolate or identify particular organisms. Selective media allow certain types of organisms to grow, and inhibit the growth of other organisms. The selectivity is accomplished in several ways.

Explanation:

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3 0
3 years ago
Read 2 more answers
Why is salt used for DNA isolation?
Ierofanga [76]
It helps in solidifying the DNA which makes it visible.
8 0
3 years ago
Historically, the earth’s ocean had a pH of 8.2. In recent years, it has dropped to 8.1. How might this change affect the ocean
SVETLANKA909090 [29]
The increase of acidity in the ocean waters can have a great impact in the living organisms in it. Most especially that  the earth’s ocean had a pH of 8.2. In recent years, it has dropped to 8.1. This change might affect the ocean environment in a way that t<span>he skeletons of coral will become soft due to increased acidity. The answer for this would be option A. Hope this helps.
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5 0
4 years ago
Read 2 more answers
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