Communities ม3

All of the following could limit the growth of a population except which factor?

• harsh winter

• increased predator population

• lack of rain

• plentiful food sources

Which relationship is parasitic?

• flower in the grass

• tick on a dog

• lion eats a zebra

• gorilla preens another gorilla

Which relationship is mutualistic?

• bird and a tree

• bee and a flower

• lice on a fish

• polar bear and seal

Population density refers to

• the number of organisms living in a certain amount of space

• the number of organisms that immigrate into a community

• the number of organisms that emigrate out of a community

• the number of organism in a community

In a parasitic relationship

• both organisms die

• both organisms are benefitted

• one organism benefits and the other is unaffected

• one organism benefits and the other is harmed

In a commensalism relationship

• both organisms die

• both organisms are benefitted

• one organism benefits and the other is unaffected

• one organism benefits and the other is harmed

In a predator/prey relationship

• both organisms die

• both organisms are competing for the same resources

• one organism benefits and the other is unaffected

• one organism eats the other for food

Which of the following is an example of cooperation among organisms of the same species?

• 2 male rams compete for a mate.

• Hawks and Eagles compete for food.

• A pack of wolves hunt together.

• Monkeys drop leaves for deer to eat.

What is one ABIOTIC factor in this ecosystem?

• frog
• tadpole
• water
• snail

A dramatic change in temperature would most likely result in?

• population increase

• population decrease