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vodomira [7]
2 years ago
14

What is the difference between a mass extinction and a regular (background) extinction? (1 point)

Biology
1 answer:
Alekssandra [29.7K]2 years ago
4 0

Answer:

the correct answer would be A. Mass extinction involves many species over a short period of geologic time.

Explanation:

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WHICH STATEMENT IS the strongest evidence in support of endosymbiotic theory of eukaryote evolution
wlad13 [49]

Answer:

Please see my answer below.

If you like my response you can mark it as brainliest.

If you have any doubts (no joke) you can reach out to me in the comments.

Explanation:

<em><u>The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.</u></em>

5 0
2 years ago
What is photosynthesis?​
Aleks [24]

Answer:

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Explanation:

5 0
3 years ago
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The act of clapping your hands out in front of you with your elbows fully extended is achieved by contracting the __________ mus
slavikrds [6]

The act of clapping your hands out in front of you with your elbows fully extended is achieved by contracting the pectoralis major muscles.

The pectoralis major muscle is a thick, large fan-shaped muscle that is located in the chest area of the human body. The pectoralis major is the most superficial muscle in the chest area and its functions is associated with the movement and rotation of the shoulder joint. Body movements such as extending the arm across the front part of the body, lowering the arm to the back part of the body, and rotating the upper arm in an inward manner are achieved by the pectoralis major muscles.


7 0
3 years ago
What type of white blood cell it is not produced in the bone marrow?
motikmotik

Explanation:

All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells. Leukocytes are found throughout the body, including the blood and lymphatic system.

6 0
3 years ago
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In what ways does the "viscosity" of H₂O — as a property of H₂O — beneficial to life on Earth? {No answer choices given. WILL CO
butalik [34]

The viscosity of water is the thickness of water (it might also be considered the stickiness when talking about other fluids). Water has many properties, and the viscosity of water influences in many of them. We can take the surface tension of a liquid as an example. The more viscous a substance is, higher will the surface tension be and vice versa since there will be a higher and lower attraction between molecules respectively.


→ The surface tension of water is something really important since it contributes in many ways to the environment and if you think about it, if the water was a little less viscous, there wouldn't be water since the viscosity of water makes it resistant to evaporation to a certain degree.


Hope it helped,


BioTeacher101

5 0
3 years ago
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