Answer:
<em>The correct option is D) Hydrosphere</em>
Explanation:
The corals present int he hydrosphere interact with the algae through a endosymbiotic relationship. This endosymbiotic relationship helps to maintain the health of the corals and the reefs. However, at a certain time, the coral reefs might expel the algae living inside it. This phenomenon is termed as coral bleaching. The corals generally expel the algae when they are under stress situations such as changes in temperature or availability of nutrients.
Answer:
Genotypes : RR , Rr , Rr , rr
Explanation:
The punnett square should look something like this :
R r
R RR Rr
r Rr rr
Answer:
Competition occurs when two organisms fight over a resource that they need. It is a negative/negative reaction. They also compete for mates. If resources are scarce the two species will fight over the resources for their own survival.
option C is correct........
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