We are the top of the food chain, so we hunt a lot. like the way we do the fish in nets, it’s normal now for a fish to be naturally selected to be caught in the fishers’ net. humans contribute by hunting and collecting their own food even if they do it in masses just like how a cheetah catches and eats a gazel.
<span>Distorted perception of the body, paired with an intense fear of gaining weight, is symptomatic of anorexia nervosa. In contrast, bulimia nervosa features symptoms that include binging and loss of control.</span>
Air pollution can also have a direct effect on water pollution. When particles like sulfur dioxide get high into the air they can combine with rain to produce acid rain. Acid rain can turn lakes acidic, killing fishes and other animals.
They are unique in the sense that sawfish are able to reproduce in the wild without the need of a partner. They were able to engage in asexual reproduction. In parthenogenesis, an egg cell is created by dividing a singular precursor cell into four separate ones. The cell that develops into an egg cell retains the cytoplasm and other vital cellular structures. The remaining three contain excess genetic material.
Fertilization happens when one of the three extra cells essentially turns into a sperm cell and combines with the egg cell.
The correct answer is 4. The nervous tissue is formed by various types of nerve cells that create electrical impulses but also participate in the transportation of these impulses throughout the body. These electrical impulses act as signals and carriers of information around the body. Therefore, the nervous tissue is the one responsible for signal conduction in the body.