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Lilit [14]
3 years ago
10

Which biome is characterized by a layer of permafrost?

Biology
2 answers:
Vinil7 [7]3 years ago
7 0
The biome that is characterized as a layer of permafrost is the Arctic Tundra 
LiRa [457]3 years ago
5 0
The Tundra is characterized by a layer of permafrost.
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What are the two types of biological interactions?
Andrew [12]

Answer:

Intraspecific interactions, where they are the same species, or interspecific interactions, where they are from different species.

5 0
3 years ago
Here is an important list of "nevers" to follow when using a compound light microscope in the lab. 1. Never swing the microscope
ivolga24 [154]

Answer:

D. "always" cover the microscope when not in use.

Explanation:

when you are finished using a light microscope or any microscope in general you always need to put the cover back on it. Mostly, to protect it from any harmful bacteria, light etc. and to keep it clean and, from collecting dust.

7 0
2 years ago
Question 1
dolphi86 [110]

Answer: sexual reproduction.

Explanation: In asexual reproduction there is no exchange of genetic characteristics due to the lack of fusion of gametes(haploid). Thus there is practically no variation in specie.

But in sexual reproduction there is exchange of genetic characteristics resulting from the fusion of haploid gametes hence there is variation and great diversity.

6 0
3 years ago
Most molecular biologists think that viruses originated from fragments of cellular nucleic acid. Which of the following observat
il63 [147K]

Answer:

Option A, Viruses contain either DNA or RNA.

Explanation:

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Hence, option A is correct

4 0
3 years ago
Read 2 more answers
With statement best describes the anther in a flowering plant? A. It is the colored part of the flower that attracts pollinaters
asambeis [7]

Answer: C. It is the part of the stamen that contains the pollen

Explanation:

Anthers are the pollen containing units in a flower that can be found in the stamens of such flowers. It should be noted that typically, anthers consist of two parts which are referred to as the thecae and each one of the theca is made up of two microsporangia.

Therefore, from the explanation above, we can infer that the another is the part of the stamen that contains the pollen.

4 0
3 years ago
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