Competition and interdependence

Question 1

What is a habitat?

Answer 1

• The place where an organism lives

Question 2

What is a population?

Answer 2

• All of the organisms of a particular species that live in a specific habitat

Question 3

What is a community?

Answer 3

• All the populations of different species that live together in a habitat

Question 4

What are biotic and abiotic factors?

Answer 4

• Biotic factors: living factors that affect another species or the environment
• Abiotic factors: non-living factors that affect another species or the environment

Question 5

What is an ecosystem?

Answer 5

• The interaction between a community and the non-living parts of the environment

Question 6

What is competition?

Answer 6

• If a group of organisms all need the same resource but there is a limited amount of the resource available, they have to compete for it
• Competition can take place between organisms of the same species or of a different species

Question 7

What is interdependence?

Answer 7

• All species depend on other species in some way

Question 8

What does a food web show?

Answer 8

• The feeding relationships between species within a community

Question 9

What does a food web and interdependence tell us?

Answer 9

• If one species is affected, all other species in the community will also be affected

Question 10

What do animals compete for?

Answer 10

• Food
• Water
• Territory

Question 11

What do plants compete for?

Answer 11

• Light
• Space
• Water

Question 12

Examples of biotic and abiotic factors

Answer 12

• Biotic: availability of food, new predators, competition
• Abiotic: light intesntiy, temperature, moisture