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andrezito [222]
3 years ago
11

Which of these is an environmental change that occurs rapidly?

Biology
1 answer:
Alex Ar [27]3 years ago
5 0

Answer:

Its (D) Volcanic Eruption

Explanation:

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What is the evolutionary evidence that endosymbiosis is real?
fredd [130]

Most important are the many striking similarities between prokaryotes (like bacteria) and mitochondria: Membranes — Mitochondria have their own cell membranes, just like a prokaryotic cell does. DNA — Each mitochondrion has its own circular DNA genome, like a bacteria's genome, but much smaller.

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Denelle pulled gently on a spring scale. The scale showed a force, but the block did not move. Why not?
Blababa [14]

Explanation:

A large force is applied to an object with a small mass

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3 years ago
The medulla oblongs ya controls the contraction and relaxation of the blank causing the lungs to inflate and deflate during brea
Dmitry_Shevchenko [17]

Answer:

This question includes some errors, the question should be written as:

The medulla oblongata controls the contraction and relaxation of the ______ causing the lungs to inflate and deflate during breathing.

Although there are no options, the answer is generally RESPIRATORY MUSCLES i.e. diaphragm and intercostal muscles

Explanation:

Breathing is an involuntary action required to take place in order to get oxygen into the system and carbon dioxide out of the system. However, the process of breathing is neurally controlled by brain portion called RESPIRATORY CONTROL CENTERS.

The Medulla oblongata located in the hindbrain is one of the two respiratory control centers (the other being the PONS). The medulla sends nerve signals to the muscles responsible for bringing about the ventilation process i.e. the DIAPHRAGM and INTERCOSTAL MUSCLES.

This nerve impulse brings about the contraction of the diaphragm, which is the major respiratory muscle, and intercostal muscle causing the lungs to inflate and allow the entry of oxygen-containing air. On the other hand, it also brings about the relaxation of these muscles causing the lungs to deflate allowing the expelling of air.

4 0
3 years ago
Which process is a “build up” process
gayaneshka [121]

Answer:

Anabolism

Explanation:

Anabolism is the set of metabolic pathways that construct (or build up) molecules from smaller units. Anabolism is the building up aspect of the metabolism, whereas Catabolism is the breaking down aspect.

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3 years ago
Mitosis is a type of cell division in which new cells have a reduced number of chromosomes.
ICE Princess25 [194]
True hope that helps
3 0
3 years ago
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