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Harrizon [31]
3 years ago
9

Which of the following is an example of a unicellular organism?

Biology
2 answers:
Alisiya [41]3 years ago
8 0
Humans, Trees, and Insects are all unicellular.
Veseljchak [2.6K]3 years ago
7 0
Its bacteria. Humans, trees, and insects all have more than one cell. Rember it this way, 
Cell......Tissue....Organ.....Organ systems.....organisms= many cells
Bacteria doesn't have tissue or organs.

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Which of the following contributes to Mars’ cool temperatures? this is for astronomy.
pochemuha
The answer that contributes to Mars's cool temperatures is the third choice - Its thin atmosphere and distance from the Sun.
Mars is relatively distant from the Sun - it is the fourth planet away from the Sun which means that it can be quite cold there given that its atmosphere is quite thin which means that the cold is quite present there.
6 0
3 years ago
LDL (low-density lipoprotein) contains
Basile [38]

Answer:The correct answer is " a"

LDL contain protein,triglycerides,phospholipid and cholesterol.

Explanation:

Low density lipoprotein,or LDL,are complex aggregates of lipids and protein.Their function is to transport lipids (fats) around the body,in the bloodstream,and to the cells where its required.Apart from this,it also carries triglycerides,phospholipids and fat soluble vitamins.

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7 0
3 years ago
Muscles like the diaphragm and intercostals contract and expand the chest cavity to lower pressure for breathing. This is an exa
Oxana [17]

Answer:

Environment.

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The respiratory system interacts with the environment by contracting and expanding the diaphragm and chest in order to do breathing. When the muscles in the diaphragm contracts and the expansion of chest occurs, takes the air inside the body that is present in the outside environment for inhalation of oxygen while on the other hand, when the diaphragm expands and chest contract, the air inside the body is removed with the removal of carbondioxide gas.

4 0
3 years ago
What body system does the digestive system work with?
nevsk [136]
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body.
3 0
3 years ago
Read 2 more answers
What are the products of photosynthesis?
Ahat [919]
~Hello There!~

Here is the equation for photosynthesis:

Carbon dioxide + water ==> Glucose + oxygen

The answer is D. Oxygen and sugars.

Hope This Helps You!
Good Luck :)
Have A Great Day ^_^

- Hannah ❤
3 0
3 years ago
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