Answer:
The correct answer is keystone predator.
Explanation:
In sustaining the composition of an ecological community, a keystone species plays an essential function. In the absence of keystone species, the ecosystem would fail to exist and would become drastically different. A predator is a classic illustration of a predator, which inhibits a specific herbivorous species from eradicating the dominant species of plants. In the non-existence of predators, the herbivorous prey would increase enormously and would clean the entire essential plant species, and thus, drastically change the significance of the ecosystem.
Answer:
In humans, each cell normally contains 23 pairs of chromosomes.
Explanation:
Enzymes because they are proteins that act as catalysts within living cells. Catalysts increase the rate at which chemical reactions occur without being consumed or permanently altered themselves.
Hope this helps! Please correct me if I'm wrong :)
<span>The brain’s
Frontal Lobe is responsible for voluntary movement (activities like walking,
raising your hand, moving), thinking, personality, decision-making. It is what
we can call our conscience, it makes us decide which actions are right or
wrong, and what norms are socially acceptable.</span>
Organisms need nutrients to b. carry out essential life functions