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RoseWind [281]
3 years ago
6

describe the relationships between living organisms such as mutualism, predation, parasitism, competition, commensalism brainly

Biology
1 answer:
Anni [7]3 years ago
3 0

In a mutualistic relationship, both species benefit.

Predation is when a predator eats another organism, in which the predator benefits and the other organism dies.

In parasitism the parasite benefits while the host is harmed.

In competition, neither species benefits because they're too busy fighting over resources.

Commensalism is when only one of the two species benefits but the other is not harmed.

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a. Following an injury that breaks the surface of the skin. blood vessels dilate as a result of histamine release from mast cells and other damaged cells.

b. The blood forms a clot and upon drying, a scab forms a barriers between the body and the environment, while phagocytes work to clear the underlying debris from the wound site.

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Hello. Although you did not have all the answer options for the blanks presented in the sentences above, it is possible to conclude that the words in bold are the most appropriate to fill these spaces.

That's because when we cut ourselves, the blood vessels on the surface of our skin rapidly dilate, allowing a flow of blood to be observed. This dilation is accomplished by the release of histamine, which is released by mast cells, which are glands that regulate the immune response. At this point, it is important that any impuzera or microorganism, close to the wound site, is removed and this site undergoes cleaning. This is done by phagocytes, which are intended to prevent the cut from becoming the entrance to a bacterial infection.

Then the blood vessels begin to move and grow again across the wound, with the aim of covering this opening. In this comment, fibroblasts begin to apply collagen and replace the blood clot formed to prevent blood loss. Collagen will be responsible for maintaining the skin and tissues that will be rebuilt in the remodeling phase.

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