Symbiosis

Test Description: Relationships in 7th grade SC

Instructions: Answer all questions to get your test result.

1) This allows a greater number of species access to resources like food, water, shelter, space.

2) One organism benefits at the expense of the other organism (the host).

3) When both organisms benefit-the two organisms work closely together to survive.

4) A relationship in which one organism benefits and the other organism is not affected.

5) One species hunts, kills, and eats the other.

6) When two or more organisms need the same resource at the same time

7) Do these live in or on the host? tapeworms, heartworms,bacteria.

8) Do these live in or on the host? aphids, fleas, mistletoe.

9) Exists between organisms of two different species that live together in direct contact.

10) Barnacles that attach to whales are given a ride to different areas where they can get food and reproduce. This is an example of which type of relationship?


*select an answer for all questions

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