Unit 1: Interactions and Ecosystems
Topic 1: Interactions Within an Ecosystem - Study Quiz: Interactions Within Ecosystems

On their summer vacation, Bill and Ally traveled to the coast where they spent their time examining the plants and animals living in and around a marine environment. On one of their excursions, they came across an ecologist named Cathy who offered to show them around.

1.	Ecology is the study of: A. the relationship between living things and their environment B. the interactions between biotic and abiotic parts of the environment C. the interactions between organisms and the places where they live D. all of the above

2.

Bill and Ally were amazed at the diversity of life they found. Cathy explained that although these plants and animals looked very different from the ones they knew from home, all living things share basic requirements. The basic needs of living things are: I. gas exchange II. communication III. water IV. habitat V. food A. III B. I and II C. II, III and IV D. I, III, IV, and V

3.

Walking around the area, Bill and Ally were surprised to see so many unique looking creatures. Cathy explained that each creature has a set of specific characteristics that allow it to be well-suited to survive in their specific environment. The fit between an organism and its environment is called: A. trait B. specialization. C. adaptation D. inherited

4.

Bill lifted a large rock within a pool of water and Ally noticed that many different small animals were living underneath it. Cathy remarked that this is a good example of an ecosystem. An ecosystem is: A. the interactions between living and non-living things in a particular environment B. the genetic diversity present within a set area C. the movement of animals from one location to another D. the network of feeding relationships among organisms

5.	After Bill put the rock back, Cathy explained that many of the plants and animals they saw live close together in a relationship that lasts over time. Ally knew that this situation is described as: A. interaction B. symbiosis C. cooperation D. communalism

6.	Cathy went on to talk about situations in which both organisms benefit from the relationship. This type of relationship is known as: A. beneficalism B. mutualism C. kinship D. commensalism

7.	A relationship in which one organism benefits and the other is harmed is known as: A. diversionism B. suffocation C. parasitism D. detrimentalism

8.	Relationships in which one partner benefits and the other partner appears to neither lose nor gain from the relationship is known as: A. commensalism B. gradualism C. mutualism D. communalism

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