Extinction

Which of these describes a species that has become extinct?

• fewer members of the species are dying than being born
• more members of the species are dying than being born
• very few members of a species are alive
• all members of a species have died

True or False? Many scientists think that an asteroid caused the dinosaurs to go extinct.

• True

• False

the group of food chains connected with each other

• food chain

• food web

• ecosystem

• none

food chain : owl - snack - frog - locust - plant

what happen to the frog in absence of snakes?

• the number of frogs will increase

• the number of frogs will decrease

• the number of frogs will be constant

• none

_________ is from endangered birds.

• ibis bird

• dodo bird

• archaeopteryx

• none

_________ is from extinct mammals, while______________ is from endangered mammals.

• panda - mammoth

• mammoth - panda

• panda - dodo

• none

______________ is from recently extinct mammals

• dodo bird

• mammoth

• dinosaur

• quagga

_________ indicate(s) extinction

• Evolution

• Protectorates

• Fossils

• Ecological equilibrium

Ras Mohamed protectorate established to protect :

• coral reefs

• colored fish

• ibis bird

• coral reefs and colored fishes

________ was used by pharaohs in manufacturing of writing papers.

• papyrus plant

• ferns

• mosses

• none