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Basile [38]
3 years ago
9

4. Which relationship is an example of commensalism?

Biology
1 answer:
Neko [114]3 years ago
4 0

Answer:

<u>B.The clownfish living in a sea anemone</u>

Explanation:

It's a relationship between two organisms where one benefits and the other gains neither harm nor benefit

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I really need help on this
ruslelena [56]
I think its that I'm not sure

7 0
3 years ago
Species a diverged from species b 60,000 years ago. On a particular gene, they have 15 nucleotide differences. How many nucleoti
a_sh-v [17]

The given question says that b species diverged around 60,000 year ago from species a. Since the divergence, they have a nucleotide difference of 15 nucleotide.

We need to find out the nucleotide difference in another 240,000 year, which means a total of 300,000 year since divergence.

The nucleotide difference in 60,000 years = 15 nucleotide.

The nucleotide difference in 1 year =\frac{15}{60,000}  nucleotide.

The nucleotide difference in 300,000 years = \frac{15}{60,000}\times 300,000 nucleotide.

The nucleotide difference in 300,000 years = 75 nucleotide.

Hence, after another 240,000 years or 300,000 years since divergence, the species and species b would show a difference of 75 nucleotide.

In another 240,000 years, there would be 60 nucleotide difference, as 15 of the nucleotide are already different in initial 60,000 years from the total of 75 nucleotide difference in 300,000 years. So, 60 (75-15) nucleotide difference would be observed in next 240,000 years.


4 0
3 years ago
Why would a third-degree burn be less painful than a first- or second-degree burn involving the same body area?
Irina18 [472]
A third-degree burn would be less painful than a first- or second-degree burn involving the same body area because of the destruction of underlying pain receptors.
Nerve endings are destroyed in third-degree burns, which means that a person can no longer feel pain in that particular spot on the body. Third-degree burns are the most severe ones and cannot be treated easily - usually skin grafting or synthetic skin has to be used to replace the burnt skin.
6 0
3 years ago
What is the intertidal zone?
Whitepunk [10]

Answer:

The answer here is B.

Hope this helps!!

8 0
3 years ago
If we have a vegetarian person who needs 2,000 calories a day, how many calories must the plants they eat produce?
sdas [7]

Answer:

as a vegetarian im confused, wouldnt it be 2,000

Explanation:

8 0
2 years ago
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