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Leviafan [203]
3 years ago
10

What factors contribute to past and present changes in California's sea otter population?

Biology
2 answers:
polet [3.4K]3 years ago
8 0

Answer:

White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.

Explanation:

ra1l [238]3 years ago
6 0

Answer:

White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.

Hope this helps!

Extra - Fun fact - Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species.

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What type of energy is present inside the nucleus of an atom?
Sindrei [870]

Answer:

nuclear energy

Explanation:

An atom has a nucleus (or core) containing protons and neutrons, which is surrounded by electrons. Protons carry a positive electrical charge, and electrons carry a negative electrical charge. Neutrons do not have an electrical charge.

8 0
3 years ago
Read 2 more answers
Which is not a statement of the cell theory? Cells are the basic unit of life. O Cells are the basic unit of matter Cells come f
Scorpion4ik [409]

Answer:

Cells are the basic unit of matter is the correct answer.

Explanation:

The other answers are all a part of the cell theory, but that one is NOT and since the question is asking for the incorrect one, that's the answer. :)

8 0
3 years ago
What would happen to<br> offspring if crossing over did<br> not occur?
Dovator [93]

Answer: If crossing over did not occur during meiosis, there would be less genetic variation within a species. ... Also the species could die out due to disease and any immunity gained will die with the individual. Two types of gametes are possible when following genes on the same chromosomes. If crossing over does not occur, the products are parental gametes. If crossing over occurs, the products are recombinant gametes.

Explanation:

6 0
3 years ago
I need to know the correct answer
torisob [31]
Most likely number 4.
5 0
3 years ago
An enzyme in a cell became dysfunctional because of an alteration. As a result, the DNA strands would not separate to begin the
yanalaym [24]

Answer:

C. Helicases

Explanation:

Helicases to be termed as enzymes that is blind and contains acid i.e. remodel nucleic or have protein i.e. nucleic acid. It is important as the time of DNA replication as it divided the DNA i.e. double stranded into one single standard that permits each and every strand for copied it

Also it cracks the bonds i.e. hydrogen that lies between the two strands this could create a replication fork.

Therefore in the given case, the helicases is affected

3 0
3 years ago
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