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Blizzard [7]
3 years ago
10

What caused the mass extinction 65 million years ago that caused 75% of all species of plants and animals disappeared within a f

ew million years?
Biology
1 answer:
slega [8]3 years ago
8 0

Answer:

An asteroid impact.

Explanation:

An asteroid impact is considered to have tossed rubble across the earth, killing off many species of plants and animals, 65 million years ago. Volcanic activity is involved in at least four mass extinctions, whereas an asteroid in just one.

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Which of the following explains why starch is a polymer?
kompoz [17]
The answer is the fourth choice
4 0
2 years ago
Number________ is the chloroplast. The chloroplast helps the plant obtain food by__________.Number _____________ is the central
stepan [7]

Answer:

Number <u>3</u> is the chloroplast. The chloroplast helps the plant obtain food by <u>photosynthesis</u>. Number <u>1</u> is the central vacuole. The central vacuole helps a plant maintain its structure by <u>turgor pressure</u>.

8 0
2 years ago
Why do the products of genetic engineering must undergo many tests before they can be sold​
VashaNatasha [74]

if they did something wrong while doing it: for example, if they were supposed to make your future baby's hair pink but instead it made your baby be bald forever, this will be very harmful to the communities. they will lose a lot of money and receive lots of hate.

hope this helps. :)

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8 0
3 years ago
Read 2 more answers
the large influx of mononuclear cells into the lungs plays a role in the formation of infection sites called
melomori [17]

The development of structured structures known as tubercles is tuberculosis.

<h3>Which four forms of infections are there?</h3>

Infections frequently occur. We've probably all experienced at atleast one at some point, from COVID-19 to ear infections and also the flu. Sepsis can be brought on by bacterial, fungal, viral, or parasitic illnesses.

<h3>What brings about an infection?</h3>

Whenever bacteria taken into the body, multiply, & trigger a response in the body, an illness results. An infect needs to happen in three different ways: Source: Ecologies of infectious (germ) pathogens   A individual who's really susceptible but who has a point of entry for germs.

To know more about Infection visit:

brainly.com/question/9260382

#SPJ4

4 0
1 year ago
Must all ecosystems have quaternary consumers? Why or why not?
julsineya [31]
Yes, all ecosystems need to have a top predator (quaternary consumers) so that the cycle of the food chain can stay complete. 
8 0
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