KEYSTONE SPECIES
FOOD WEB
SURVIVAL OF THE FITTEST
NATURAL SELECTION
100

A species which has a disproportionately large effect on its natural environment relative to its abundance

What is a keystone species

100

What could happen if an animal that is important to the food chain died off

What is the food chain collapses

100

The continued existence of organisms which are best adapted to their environment

What is survival of the fittest

100

Process through which populations of living organisms adapt and change

What is natural selection

200

Why a beaver is a keystone species in its ecosystem

What is building dams

200

Human impacts of the environment that can affect the ecosystem and animals in it

What is pollution and oil spills ect.

200

An advantage for giraffes

What is a long neck

200

4 conditions needed for natural selection

What is reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population

300

An advantage for blind fish

What is no eye tissue (cant be damages if they run into anything)