Answer:
construction of dams
Explanation:
dams block water routes for migrating fish and create stagment sections that allow for breeding of bugs
Answer:
a catalyst
Explanation:
Catalyst is a substance that influences the rate of reaction without being consumed in the reaction. They increase the rate of reaction by decreasing the activation energy of the reaction. In biological system, enzymes are referred to as biological catalyst or biocatalyst. They are generally protein in nature and are very specific for their substrate. They also increases the rate of biological reaction by forming enzyme-substrate complex.
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Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
<span>In the case of these organism, they would most likely benefit from asexual reproduction due to the fact that they themselves will reproduce therefore not having the need to finding a male or female counterpart to reproduce, that would be affected if the species was efficiently hunted.</span>
