The correct answer fro above statement is:
<h3> c. Half of all rainforest plants have been tested for their medicinal properties.</h3><h3>Explanation:</h3>
Twenty-five percent of the fresh components in cancer medications are particularly rainforest plants.Rainforests are essential because they serve control global climate trims and rain. Water that disappears from trees comes in other regions as rain.Twenty-five percent of Western pharmaceuticals are obtained from rainforest components. But since only a minute portion of rainforest organisms have been investigated, as the rainforest species escape so do possible remedies and therapies for life-threatening disorders.
An increase in a predator population will directly result in THE DECREASE IN THE PREY POPULATION.
Predation is a biological interaction where one organism feed over another organism and the other organism is harmed. The organism benefited is called predator while the one harmed is called prey. Predator is generally bigger in size than the prey. If the population of predator is increasing it will lead to the decrease in the population of prey as more predators will feed on the prey.