How Do Organisms Compete And Survive In An Ecosystem?
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5th grade science, chapter 6 lesson 1, Ecosystems and Change
- 1.All of the organisms in one kind of ecosystem are called a/an _________________________.
- A.
Community
- B.
Population
- C.
Group
- D.
Chain
- 2.Populations living and interacting with one another form a/an ___________________________.
- A.
Community
- B.
Ecosystem
- C.
Population
- D.
Food chain
- 3.The challenge each population faces to meet its need for food, water, shelter, and space is called ________________________.
- A.
Survival
- B.
Adaptation
- C.
Competition
- D.
Symbiosis
- 4.A characteristic that helps an organism survive and compete in an ecosystem is a/an _________________________.
- A.
Mutation
- B.
Competition
- C.
Community
- D.
Adaptation
- 5.Something that limits the size of a population is called a/an ___________________________.
- A.
Limiting factor
- B.
Food chain
- C.
Ecosystem
- D.
Predator
- 6.A relationship between different kinds of organisms that helps each of them meet basic needs is called ___________________________.
- A.
Ecosystem
- B.
Community
- C.
Symbiosis
- D.
Population
- 7.The kind of symbiosis inwhich both organisms benefit is called _________________________.
- A.
Parasitism
- B.
Commensalism
- C.
Symbiosis
- D.
Mulatism
- 8.The kind of symbiosis in which only one organism benefits and the other isn't affected is called ____________________________.
- A.
Parasitism
- B.
Commensalism
- C.
Symbiosis
- D.
Mutalism
- 9.The kind of symbiosis in which one organism benefits, but the other is harmed is called ___________________________.
- A.
Parasitism
- B.
Commensalism
- C.
Symbiosis
- D.
Mutalism
- 10.An animal that eats other animals is called a ___________________________.
- A.
Prey
- B.
Predator
- C.
Producer
- D.
Parasite
- 11.Animals that are eaten by other animals are called ___________________________.
- A.
Predator
- B.
Producer
- C.
Parasite
- D.
Prey
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