Ecology - Task 5

Question 1

Eutrophication

Answer 1

A process at which nutrient levels in aquatic ecosystems lead to increase in population of primary producers.

Question 2

Biodiversity

Answer 2

The variety of life in the world or in a particular habitat or ecosystem.

Question 3

Habitat loss

Answer 3

The destruction of habitats which usually result from human activities.

Question 4

Deforestation

Answer 4

The practice of clearing a forest for logging or other human uses, and never replanting them.

Question 5

Alien species

Answer 5

A species that is accidentally or deliberately introduced into a new location.

Question 6

Invasive species

Answer 6

A species that can take over a habitat of native species.

Question 7

Overexploration

Answer 7

The use of extraction of a resource until its depleted.

Question 8

Extinction

Answer 8

The death of all the individuals of a species.

Question 9

Biodiversity crisis

Answer 9

The current accelerated rate of extinction.

Question 10

Things that contribute to biodiversity

Answer 10

• ecosystem diversity
• species diversity
• genetic diversity