Science quizz (5-B)

BIOTIC factors are________

• the living elements in an ecoystem

  (plants, animals).

• Living and nonliving things at the same time.

• The nonliving things.

• The same as ecosystem.

Nonliving things are also called________

• Biotic

• Abiotic

• Not alive

• Dead things

An_________ is all the organisms living in a place together with their enviroment. It is composed of living and nonliving things.

• Enviroment

• Ecosystem

• Population

• Community

Write the two principal types of ecosystem that you can find in nature.

Write the difference between a population and a community.

Is the variety of different species that live in an ecosystem. It also means

"different in kind"

• Ecosystem

• Habitat

• Organism

• Diversity

Primary succesion is the one that...

• can take one or five years for stable a community to establish itself.

• can take hundreds of years for stable a community to establish itself.

• make succesion in a family of plants.

• produce seeds inside a fruit.

Is a succession that ocurrs quickly than the other one_______

• Primary

• Tertiary

• Secondary

• Any succession

________ is the name of the animals and plants that invade cities, houses or forest.

Explain how humans can damage the enviroment.