Competition

Question 1

What is a habitat?

Answer 1

The place where an organism lives.

Question 2

Define population in ecological terms.

Answer 2

All the organisms of one species living in a habitat.

Question 3

What is a community in ecology?

Answer 3

The populations of different species living in a habitat.

Question 4

What are abiotic factors?

Answer 4

Non-living factors of the environment, e.g. temperature.

Question 5

Define biotic factors.

Answer 5

Living factors of the environment, e.g. food.

Question 6

What is an ecosystem?

Answer 6

The interaction of a community of living organisms (biotic) with the non-living (abiotic) parts of their environment.

Question 7

What do organisms need from their environment to survive?

Answer 7

Resources such as food, water, and shelter.

Question 8

Fill in the blank: Organisms compete with other species for the same _______.

Answer 8

resources.

Question 9

What is interdependence in an ecosystem?

Answer 9

The reliance of species on each other for resources such as food, shelter, pollination, and seed dispersal.

Question 10

What can a major change in an ecosystem cause?

Answer 10

Far-reaching effects on all species within the ecosystem.

Question 11

What is a food web?

Answer 11

A diagram of what eats what in an ecosystem.

Question 12

What happens if stonefly larvae are removed from a stream ecosystem?

Answer 12

It can lead to less competition for algae, more likelihood of being eaten by predators, and less food for other organisms.

Question 13

What are stable communities?

Answer 13

Communities where all species and environmental factors are in balance, leading to roughly constant population sizes.

Question 14

Provide examples of stable communities.

Answer 14

• Tropical rainforests
• Ancient oak woodlands

Question 15

True or False: Stable communities experience constant population sizes without fluctuation.

Answer 15

False.