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zhenek [66]
3 years ago
10

A retrovirus

Biology
1 answer:
salantis [7]3 years ago
4 0

The letter is B

Have a goed day

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Describing Populations<br> Differentiate between population density and<br> population distribution.
DerKrebs [107]

Answer:

Population distribution denotes the spatial sample because of dispersal of the populace, formation of agglomeration, linear unfold, etc.

Population density is the ratio of humans to bodily space. It suggests the connection between a populace and the scale of the vicinity wherein it lives.

Explanation:

Cause I said so.

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How can atmospheric nitrogen be converted to ammonium ions or nitrate ions?
Agata [3.3K]

Answer: When a plant or animal dies, or an animal voids waste products, the initial form of nitrogen is organic. Bacteria and fungi in the soil produce enzymes that convert the organic nitrogen back into inorganic ammonium ions (NH4 +). Ammonium is converted to nitrite ions (NO2 -) by soil bacteria like Nitrosomonas

Explanation: Hope it helps

much love

Brainly plz

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3 years ago
What is water without salt called
Mariana [72]
Water.....lol. H2O? Water with salt is called salt water so without it is just water lol.
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What are the differences in their hard parts, distribution, reproduction among phytoplankton of cyanobacteria, diatom, coccolith
Margarita [4]

Answer:

Explanation:

DIFFERENCES BETWEEN HARD BODY PARTS.

•Cyanobacteria have calcified sheaths.

• Diatoms have hard but porous cell wall.

• Coccolithophores have hard body parts.

• Silicoflagellates skeleton is composed of opaline silica.

• Dinoflagellates do not have hard body parts

• Green algae - no hard body parts.

• Brown algae - no hard body parts.

DIFFERENCES BETWEEN DISTRIBUTION

• Cyanobacteria are found almost in every terrestrial habitat on planet.

• Diatoms are found in oceans, freshwater, soil and damp.

• Coccolithophores are exclusively marine.

• Silicoflagellates are found in marine environment.

• Dinoflagellates are both freshwater and marine.

• Green algae grow on objects that do not move such as substrate, rock.

• Brown algae - wide distribution from tropical to polar zones.

DIFFERENCES BETWEEN REPRODUCTION.

• Cyanobacteria - asexually by binary or multiple fission, fragmentation, spore formation.

• Diatom - asexually by cell division through mitosis.

• Coccolithophores - asexually by binary fission.

• Silicoflagellates - asexually

• Dinoflagellates - asexually

• Green algae - sexually or asexually by cell division, fragmentation, spore formation.

• Brown algae - sexually and asexually.

5 0
3 years ago
Which choice is involved in both sexual and asexual reproduction?
serg [7]
I think it’s sperm for your question
3 0
3 years ago
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