Ecological Relationships

The cleaner wrasse, a small marine fish, periodically cleans harmful parasites from the mouth and body of the moray eel. The moray, in turn protects the wrasse from larger predators and provides it with a constant supply of food. This is an example of what type of relationship?

In Florida, bluebirds and sparrows inhabit nearly the same ecological niche. In many areas, bluebirds are being replaced by the sparrows as the result of which process?

Symbiotic relationships are an important component of life. Which of the following relationships are most similar to the relationship between fleas and a dog?

Honeybees are important pollinators of flowers. Mites that live in the bodies of bees can attack honeybee colonies. Some birds, amphibians, and insects eat honeybees. Which of the following relationships is NOT included in the description above?

Mangrove trees are common to the Florida Everglades. The tree roots serve as a place for freshwater oysters to attach when the tide is high, as shown in the picture below. The oysters are protected from predators when attached to the roots underwater. The oysters do not harm the trees, nor do they provide any benefit to the trees. Which of the following relationships is most similar to the relationship between the mangrove trees and the oysters?

Which of the following relationships is most like the predator-prey relationship?

The diagram shows some organisms that live in one kind of seaside ecosystem. In this ecosystem, what organisms compete for the same resources?

The diagram shows some organisms that live in one kind of seaside ecosystem. Which of the following organisms would benefit the most from having patterns and coloration that help them blend in with the sand-dune grasses?

The diagram shows some organisms that live in one kind of seaside ecosystem. Which of the following would be a mutualistic relationship between the parrot and the tree?

The graph shows the population of a group of rabbits in a restricted area studied over a period of 5 years. Which statement might explain why the population levels off as shown in the graph?