Oh! I <u>have lost</u> my passport. What should I do?
Here, have lost will be answer since present perfect tense is used when the action has started in the past and whose effect is still going on.
Here the purse has been lost earlier, but the effect is in the present.
Answer:
The predator/prey relationship is one of the causes of natural selection, or "survival of the fittest."
Explanation:
The entire planet and its surroundings are bounded by the nature and its laws that governs them and controls them. The life cycle of all the living things are revolve around each other. Every other animal depends on other animals for its survivals.
Every organisms feeds on the lower organism in the food chain. There are predators and preys. The organism which feeds on other are called the predators. And the organisms which gets eaten up by other animals are called the preys.
This is the law of nature and it is very important to maintain the balance of the nature. Its is their natural selection and the fight for their survival.
The predators and the preys are connected to each other. And their relation is the cause of their natural selections.
