Living things that belongs to a particular species.

All populations that inhabit and interact in a common environment.

Group of individuals that live in the same place at the same time.

All the living and nonliving things that live in the same place and conditions and interact between them.

Living things that live in an ecosystem.

Nonliving things in an ecosystem.

Organisms that use light for photosynthesis.

Organism that obtain their nutrients form autotrohpic or other organisms.

Organisms that consume waste and dead animals.

Organisms that eat plants, leaves, flowers, fruit, pollen, nectar, seeds and roots.

Organisms that consume animals and plants.

________ are organisms from the first trophic level.

______ are the organisms in the fourth trophic level.

Migration and extinction are effects of ________.

Plants and animals submerged in water are effects of ________.

The elimination of producers is an effect of ________.

The drecrease or extinction of species are effects of ________.

Layer called topsoil made by organic material.

Layer with accumulation and infiltration of materials.

True or False

Air, water, minerals and organic matter are soil components.

True or False

Horizon levels are divided using numbers.

True or False

A horizon consists of humus and rock fragments with crystaline materials.

True or False

The deepest layer of soil is called Z horizon.