Symbiosis Pre-Test

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1.
Which of the following words means two organisms living together in a close relationship?
2.
Leeches have been used for medicinal purposes. The leech benefits by getting blood from humans and humans benefits from leech by improving blood flow. Which of the following relationship does it shows?
3.
A worm living in a cow’s intestine is an example of what symbiotic relationship?
4.
Which of the following is a symbiotic relationship where one partner benefits and the other does not benefit or lose from the relationship?
5.
Which of the following is a symbiotic relationship where one partner benefits and the other is harmed?
6.
Which of the following is a symbiotic relationship where both partners benefit?
7.
Which of the following relationship helps maintain the health of a population by leaving only the strongest individuals to reproduce?
8.
Which of the following is NOT an example of a parasitic organism?
9.
In predation, the organisms eaten by another organism are called ___________.
10.
Which of the following statements describes mutualism?