Biodiversity & Ecosystems

Question 1

Keystone Species

Answer 1

A species that is depended on by other species in an ecosystem, if removed the ecosystem would change drastically.

Question 2

Abiotic Factors

Answer 2

Non- living elements in ecosystems.

e.g. sun, water, soil.

Question 3

Biotic Factors

Answer 3

Living elements in an ecosystem.

e.g. Plants, animals, predators, prey.

Question 4

Species

Answer 4

A group of similar organisms that can breed and produce fertile offspring with similar characteristics.

Question 5

Population

Answer 5

A group of individuals that belong that belong to the same species and live in the same area.

Question 6

Community

Answer 6

A group of populations inhabiting the same region and interact with each other.

Question 7

Ecosystem

Answer 7

A biological community of interacting organisms and their physical environment.

Question 8

5 Trophic levels

Answer 8

Heterotrophs, Autotrophs, decomposers, producers, consumers.

Question 9

Interactions in an ecosystem

Answer 9

Competitions, Predation, Symbiosis.

Question 10

Biodiversity

Answer 10

The variety of genes, species and ecosystems in our world