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bixtya [17]
3 years ago
14

Why are all cells very small?

Biology
1 answer:
kolezko [41]3 years ago
7 0

Answer:

Cells are small because they need to keep a surface area to volume ratio that allows for adequate intake of nutrients while being able to excrete the cells waste. That is why the cell needs to be small. The smaller it is, the larger the surface area to volume ratio is. ... This is why cells are so small.

explicación:

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. ... That is why cells are so small.

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How do you fit into a food web ? Describe a food web that includes you ?
sleet_krkn [62]

Answer:

We would be considered as one of the top predators.

Explanation:

There aren't many threats to humans at this point. We're omnivores, so we consume plants and meat. Humans are usually tertiary consumers, on the third trophic level, but sometimes can be on the second trophic level depending on the diagram.

8 0
3 years ago
If an object has a volume of 32 ml and the mass of 146g what is the density?
True [87]
The density uses this equation :

D = m ÷ v

D (Density)
M (Mass)
V (Volume)

⓵
Replace your numbers in the equation :

D = m ÷ v

D = 146 ÷ 32

D = 4,5625

D ⋍ 4,56
3 0
3 years ago
The biogeography of ____________ yields some of the best evidence for evolution.
Lelu [443]

Answer:

Islands

Explanation:

:)

8 0
3 years ago
Read 2 more answers
Why is osmosis important to the survival of a cell?
Zielflug [23.3K]

What did you include in your response?

  • For a cell to survive, ion concentrations inside and outside the cell need to be the same.
  • If extra ions are not pumped out of the cell, water can enter the cell, causing it to swell and burst.
7 0
3 years ago
Read 2 more answers
Which of the following white blood cells is not capable of phagocytosis?
denpristay [2]

Answer:

Lymphocytes

Explanation:

White blood cells ( leukocytes) is one of the formed elements of blood that provides immunity and protection against the pathogens. Different types of leukocytes are eosinophils, basophils, monocytes, lymphocytes and neutrophils.

Lymphocytes are B cells and T cells of the immune system. B cells produce antibodies against the antigen and T cells kills the harmful cells of the body. by specific cell determinants.These cells are not capable of phagocyte the pathogen.

Thus, the correct answer is option (A).

3 0
3 years ago
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