Humans are this type of consumer.

both organisms benefit

If the death rate is higher than the birth rate, the population is going to ____________.

A bird nests in trees.

True or False: an ecosystem consists of living and nonliving things.

consumers that capture and eat other consumers

one organism benefits, one is harmed

a bird species can no longer support itself in a certain area during the winter

An acorn falls from an oak tree.

the part of Earth that supports life

the beginning of every food chain

one organism benefits without harming or benefiting the other

when there is more, resources are limited

Hyenas eat dead animals.

True or False: A population is all the communities of all living species in an ecosystem.

Bacteria is an example of this type of consumer.

the interaction between two organisms living in close physical association

the availability of food, water, or living space is restricting the number of individuals in a population

A beaver builds a dam.

the place in which an organism receives its food and shelter, and is supported with the right temperature and amount of moisture to survive

Describe the food chain/energy flow including mice, grass, hawks, grass hoppers, and the sun.

the relationship between a frog and the tree it uses as protection

an ecosystem cannot support any more of a certain species

The human skin is full of bacteria.

Give an example of a population within a prairie community.