Answer:
A sharks ecosystem should have a far and wide open waters and also should have salt water and no ordinary water. it should be around lots of fish so it has stuff to eat. last it needs to have other sharks to mate or keep the chain going.
Explanation:
Answer: Mutualism
Explanation:
Mutualism is a symbiotic relationship in which both interacting species receives the benefit for togetherness.
In the given situation, the birds are receiving food in the form of ticks and the rhinoceros are receiving protection against the predatory blood sucking ticks.
The birds, because we can see from the food web that the bird eats both grain, a producer, and grasshoppers, a consumer.
The object that has the same shape as a DNA molecule is ladder.
I believe the answer would be B.