Within a population _________________ are always being born and dying.

If the number of births and deaths in a given time are equal, then the population size will be

If there are more births than deaths in a given time, then the size of the population will

If there are fewer births than deaths, then the size of the population will

The more energy storage molecules available to a population, the more the organisms in that population can

The larger the resource population, the more energy storage molecules are available for its _________________ populations.

Two populations can compete for the same _________________ population. A change to one of these populations affects the size of the other.

The size of a population can be affected by any population that is connected to it in a ___________________, even if they are not directly connected.

the process of creating offspring

a population that is eaten by organisms from another population

a model that shows what eats what in an ecosystem

a population that eats organisms from another population

a molecule that organisms can use to release the energy they need to survive

when something stays mostly the same over time

a group of the same type of organism living in the same area

all the living and nonliving things interacting in a particular area

The arrows in a food chain and food web point __________the animal that is being eaten

What does a bird need energy for?

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