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B7: Quiz 2
B7: Quiz 2
1)
a) Give 4 things that plants compete with each other for.
b) Give 4 things that animals compete with each other for.
c) Is the statement below true or false?
“Organisms compete for resources with members of their own species and other species”
2)
a) Give a definition of a stable community.
b) All organisms in an ecosystem depend on each other for food, shelter, pollination and seed dispersal; what single word do we use to describe the relationship between all of the organisms in an ecosystem?
3) We have the food chain below.
a) Give 4 things that plants compete with each other for.
b) Give 4 things that animals compete with each other for.
c) Is the statement below true or false?
“Organisms compete for resources with members of their own species and other species”
2)
a) Give a definition of a stable community.
b) All organisms in an ecosystem depend on each other for food, shelter, pollination and seed dispersal; what single word do we use to describe the relationship between all of the organisms in an ecosystem?
3) We have the food chain below.
a) Give the names of the following:
i) Primary consumer
ii) Secondary consumer
iii) Producer
b) There is a virus that causes the population of frogs to decrease. Predict what effect this will have on the population of grass and grasshoppers. Explain your answer.
4) We have the food chain below.
i) Primary consumer
ii) Secondary consumer
iii) Producer
b) There is a virus that causes the population of frogs to decrease. Predict what effect this will have on the population of grass and grasshoppers. Explain your answer.
4) We have the food chain below.
An event causes the population of mice to decrease. Predict what effect this will have on the population of corn and owls. Explain your answer.