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SCORPION-xisa [38]
3 years ago
7

Phytoplankton are one of the most important parts of the food web in the Hudson River. What evidence supports this conclusion?

Biology
1 answer:
Sever21 [200]3 years ago
7 0
LLalallsowowowowijjjj
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What is the purpose of the pericardial sac that surrounds the heart in mammals
Nitella [24]

Answer:

Pericardial sac has protective tole

Explanation:

Pericardial sac or pericardium is a fibrous tissue that surrounds the heart. It has two coats:

  1. the outter coat-parietal pericardium
  2. the inner coat-visceral pericardium or epicardium which is double-layered and contains pericardial fluid between those two layers (pericardial fluid is necessary as a lubricant for the heart movement).

Besides lubrication, percardium also protects heart from infections, fixes it and limits its movements.

6 0
3 years ago
Do predators really kill only the old and sick prey? What evidence is there for this statement
Mrac [35]
No,they kill all ages for ex.A pack of lions went hunting leaving their cubs behind and a pack of hyenas come and they are hungry they will eat the food that they can
7 0
3 years ago
Which market structure is BEST indicated by the photograph? A) monopoly B) oligopoly C) pure competition D) modified competition
leva [86]

Answer:

b.) oligopoly

Explanation:

7 0
3 years ago
Which organisms create all usable food energy on Earth
Lubov Fominskaja [6]
The organisms that create all the usable food energy on Earth are called the producers. These organisms are able to produce food through the different resources such as the energy from the Sun, the carbon dioxide, and water and minerals that they absorb from the soil
6 0
3 years ago
Suppose your eyes are exposed to a microorganism, what is the first thing you should do?
Viktor [21]

If your eyes are exposed to a microorganism, the first thing you should do is to <u>Flush your eyes with water for at least 10-15 minutes. </u>

<u />

  • Proper eyelid cleanliness stops the bacterial buildup that leads to blepharitis and the potential for Demodex.
  • Maintaining clean eyelids and lashes is also essential for safeguarding the many glands that line our eyelids and aid in the production of our tears.
  • To allow the fluid to move across the eye, someone should flush their eye for 10 to 15 minutes while attempting to keep their eyes open.
  • Some chemicals, such strong alkalis, may call for 60 minutes of flushing.
  • When flushing the eye, one should make sure there are no chemicals or debris under the eyelid by looking around. They might want to get medical help after flushing.

learn more about eyes here: brainly.com/question/1688036

#SPJ4

<u />

8 0
1 year ago
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