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SCIENCE CHAPTER 7 VOCABULARY

Across
An organism that lives on or in another organism and takes nourishment from that organism
An interaction between two species over a long period of time
A scientist who studies how living things interact with their environment
Any special characteristic or skill that helps a living thing survive in its environment
An organism that depends on producers for food.
The transfer of energy and nutrients through a community
The nonliving part of an ecosystem
The deep sleep experienced by animals during the winter months
The basic knowledge and skills needed for survival that are inherited by each member of a population
The movement of a population from one ecosystem to another
One member of a certain population
An animal that hunts and eats other animals
The combination of all of the living organisms and their environment in a certain section of the earth
Down
An organism that makes its own food; gets energy directly from the sun
The animals that a predator hunts
The place where an organism lives
Several food chains linked together
All the organisms of a species that live in an ecosystem
Two or more organisms trying to use the same resources
All the different species both plant and animal that lives in a particular ecosystem
The plant or animal that a parasite lives on
An organism that helps break down dead things