Levels of Biological organization in an ecosystem 5

Vocabulary

Mira la siguiente lista de vocabulario y realiza los ejercicios dando click ACÁ. 

Breed: To reproduce

Above: Overhead, on top of, upon.

Environment: The sum total of all surroundings of a living organism, including natural forces and other living things, which provide conditions for development and growth as well as of danger and damage. See also environmental factors.

Gold fish:

Salmons:

Crabs:

Herrings: