Topic 6 Lesson 1 - Ecological Relationships Quiz

Cattle egrets forage among cattle, benefiting from the insects stirred up by them. The cattle are unaffected by the egret's presence. This is an example of commensalism.

Hummingbirds and flowers have a mutualistic symbiotic relationship. Hummingbirds feed on nectar, while they unintentionally pollinate the flowers as they move from one flower to another.

Skunks often live in burrows that have been dug and abandoned by woodchucks, which is an example of commensalism since the skunk gets a benefir and the woodchuck is not affected at all since the burrow it dug was abandoned.

A cuckoo laying its eggs in a warbler's nest and the warbler raising the cuckoo's young is an example of parasitism, where the cuckoo benefits at the expense of the warbler.

The relationship between the pearlfish and the sea cucumber is commensalism. The pearlfish benefits by getting a safe place to live, while the sea cucumber is neither benefited nor harmed.

The tapeworm benefits from the shark by deriving nourishment, while the shark is weakened and vulnerable. This is an example of parasitism.

Chimpanzees fight to establish dominance within their tribe, which is an example of competition. They are both struggling to get the same resource.

The relationship between the coyote and the rabbit is predation, as the coyote captures, kills, and eats the rabbit.

This is a mutualistic relationship where the hermit crab provides a home for the anemone, and in return, the anemone helps camouflage the crab and gets access to food.