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nikklg [1K]
4 years ago
7

Structural differences between prokaryotic and eukaryotic cells?

Biology
1 answer:
Andrew [12]4 years ago
6 0
<span>prokaryotic cells do not have a nucleus and eukaryotic cells do.
- prokaryotic cells lack some organelles and eukaryotic cells do not.
- prokaryotic cells are not found in humans and eukaryotic cells are

</span>
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7 0
3 years ago
4. Which answer explains how carbon cycles in our world? (5)
aleksklad [387]

Answer:

The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.

Explanation: i hope this helped

7 0
3 years ago
Describe three examples of materials that have resulted from a lack of decomposer activity
erastova [34]

The decomposers are of two kinds, aerobic decomposers and anaerobic decomposers. The aerobic decomposers need the oxygen from the air to break down the dead and decaying matter into simple salts, sugars and hydrocarbon gases. The anaerobic decomposers do not require oxygen for the break down of dead and decaying matter. They break down the matter into various forms of hydrocarbons, sulphides and nitrogenous compounds.

When a dead and decaying matter gets buried deep within the Earth where there is an absence of the decomposers, it takes the form of crude oil, coal, peat, asphalt, and natural gas. The matter gets compressed by the weight of the rocks above and changes its form.

6 0
4 years ago
Which of the following would cause a decrease in the number of species in an ecosystem?
vlada-n [284]

Answer:

d) introducing a competing species.

Explanation:

Competition refers to a dynamic partnership in which various species or populations in the environment concurrently seek to utilize the same available resources. Organisms in an ecosystem compete for the same limited nutrients and in the process, one ultimately got an edge over the other. because resources are limited in nature, the population of one species decreases at the expense of the survival of the other.

3 0
3 years ago
Do invertebrates have limbs for locomotion?​
yKpoI14uk [10]

Terrestrial locomotion has evolved as animals adapted from aquatic to terrestrial environments. Locomotion on land raises different problems than that in water, with reduced friction being replaced by the increased effects of gravity.

hope it helps...

6 0
3 years ago
Read 2 more answers
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