Definitions
all living things
organism
when black bears and foxes try to use the same resources
competition
move from one place to another
migrate
fish
living
Plants need this to make food.
light
all the nonliving things surrounding an organism
environment
animals that are food for other animals
prey
go into a deep sleep
hibernate
water
nonliving
Living in a group makes it easier for some animals to __________.
be protected
the living and nonliving things in an area
ecosystem
a change in a characteristic of a living thing that allows it to survive in its environment
adaptation
anything that makes the air, water, or land dirty
pollution
grass
living
The changes living things make in their ecosystems can be ___ and ___.
helpful and harmful
food, water, and protection
basic needs
the way some living things blend in with their surroundings
camouflage
when animals work together with other animals in pairs
partnership
air
nonliving
anything that can meet a need of a living thing
resource