Adaptation

Question 1

What is a population?

Answer 1

The total organisms of the same species in one specific geographical area.

Question 2

What is a community?

Answer 2

A group of two or more populations or different species in one specific geographical area.

Question 3

What is an ecosystem?

Answer 3

The interaction of a community of biotic organisms with the abiotic parts of their environment.

Question 4

What do animals compete for?

Answer 4

1. Food
2. Mates
3. Territory

Question 5

What do plants compete for?

Answer 5

1. Sunlight
2. Mineral ions/nutrients
3. Water
4. Space

Question 6

Name 3 possible abiotic factors.

Answer 6

1. CO₂ levels
2. Light intensity
3. Moisture levels
4. Soil pH
5. Temperature
6. Wind intensity

Question 7

Name 3 possible biotic factors.

Answer 7

1. Availability of food
2. Predators
3. Pathogens
4. Competition between species

Question 8

What is an extremophile?

Answer 8

An organism that lives in a very extreme environment where most would not survive.

Question 9

What is a stable community?

Answer 9

When all species and environmental factors are in balance so population size is constant

Question 10

Name 2 ways that an environment could be extreme.

Answer 10

1. Temperature extremes
2. Pressure extremes
3. High salt concentration
4. Very acidic or alkaline conditions
5. Lack of oxygen or water

Question 11

What is interdependence?

Answer 11

When species in a community depend on others for resources and shelter