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Anna35 [415]
3 years ago
14

QUESTIONS ON MARINE BIOLOGY-

Biology
1 answer:
meriva3 years ago
8 0
Estuaries are among the world's most productive ecosystems. Estuaries are essential to the success of numerous fish and shellfish species of great commercial, ecological, and recreational importance. Estuaries are also the focal points for pollutants entering the sea from the land, and are now the most nutrient-enriched ecosystems on earth.
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What two types of evolutionary evidence, taken together, provide strong evidence for when extinct species most likely diverged f
Black_prince [1.1K]

Homologous and analogous structures are two types of evolutionary evidence, taken together, provide strong evidence for when extinct species most likely diverged from common ancestors, relative to other events happening on Earth.

Several types of evidence support the theory of evolution: If two or more species share a unique physical feature, such as a complex bone structure or body plan, they can all inherit this property from the common ancestor. Physical traits shared through evolutionary history (common ancestor) they say they are homologous. Not all physical properties that look similar are signs of common ancestry. Some physical similarities instead are analogous: they evolved independently in different organisms because organisms lived in similar environments or experienced similar selective pressures.

Learn more about Homologous and analogous structures on:

brainly.com/question/14529788

#SPJ4

3 0
1 year ago
Read 2 more answers
This organ of digestion mixes food with hydrochloric acid and gastric secretions and stored it until it’s ready to be digested.
Pani-rosa [81]

Answer:

Chyme

Explanation:

a thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion. In the stomach, digestive juices are formed by the gastric glands; these secretions include the enzyme pepsin, which breaks down proteins, and hydrochloric acid.

5 0
2 years ago
Should women who are not pregnant and men be concerned about Zika infection
dalvyx [7]

Answer:

Women should stand by  at least two months after travel (or 2 months after  symptoms started to manifest if they get sick) before trying to get pregnant.The waiting period is longer for men because Zika stays in semen longer than in other body fluids.

Explanation:

3 0
3 years ago
Which of these is not a natural earth cycle?<br> rock<br> water<br> carbon<br> oil
Andrei [34K]

Answer:

The answer is oil .

Explanation:

<u>Oil</u> is not a natural Earth cycle.

(Correct me if I am wrong)

4 0
2 years ago
A food contains organic molecules with the elements C, H, and O in a ratio 1:2:1. To what class of compounds do these molecules
andrew11 [14]

Answer:

A compound with a C:H:O. ratio of 1:2:1 is a carbohydrate. The body uses carbohydrates mainly as an energy source.

Explanation:

hope it helps

6 0
3 years ago
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