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Lyrx [107]
3 years ago
9

Photosynthetic cyanobacteria caused an increase in atmospheric levels of

Biology
2 answers:
goldfiish [28.3K]3 years ago
6 0

C...the key is that they are photosynthetic...so they produce oxygen (like plants)!

Nuetrik [128]3 years ago
4 0

Answer:

C) oxygen

Explanation:

The gaseous product of photosynthesis is oxygen. Cyanobacteria are responsible for much of Earth’s early oxygen.

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18. Aerobic respiration produces more cellular energy than respiration in an anaerobic environmen
Pie

Answer:

True

Explanation:

ATP (The cellular energy) is a nucleotide consisting of sugar (there are other properties but let's use the most important at hand).

Aerobic respiration uses sugar and oxygen to create energy (ATP) for food.

This process usually creates 38 ATP. While anaerobic respiration usually produces 2 ATP.

7 0
2 years ago
Which is likely to be the most important contribution of genetic engineering to the practice of selective breeding?
uysha [10]
Developing crops that are more resistant to attack by pets, is the most important contribution of genetic Engineering to the practice of selective breeding.
5 0
3 years ago
Please answer the question. A, B, C, or D?
leonid [27]

Answer:

Osmosis: Osmosis is the movement of solvent particles across a semipermeable membrane from a dilute solution into a concentrated solution. Diffusion: Diffusion is the movement of particles from an area of higher concentration to lower concentration. The overall effect is to equalize concentration throughout the medium.

Explanation:

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2 years ago
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2 years ago
What of the following is ordered from LARGEST to SMALLEST? Select one: a. virus, mitochondrion, hemoglobin, glucose, water molec
choli [55]

Answer:

c. mitochondrion, virus, hemoglobin, glucose, water molecule

Explanation:

The mitochondrion is a membrane which is found in cytoplasm of eukaryotic cells. It is also known as power house of cells. This is largest from virus, hemoglobin, water molecule and glucose.

Virus is second largest and is small infectious agent. It has capability to infect many organisms and living cells. Hemoglobin is protein which is present in red blood cells. Glucose is a type of sugar presence in the blood. Water molecule is composed of hydrogen and oxygen and is smallest among the others.

3 0
3 years ago
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