U3 KA1: Ecosystems

Question 1

• Biodiversity

Answer 1

• the total variation among living organisms within a region.

Question 2

• Producers

Answer 2

• make food using inorganic materials and an abiotic energy source.

Question 3

• Consumers

Answer 3

• obtain food by feeding on producers or other consumers.

Question 4

• Herbivores

Answer 4

• only eat plant material.

Question 5

• carnivores

Answer 5

• only eat other animals.

Question 6

• Omnivores

Answer 6

• eat both plant and animal.

Question 7

• Predator

Answer 7

• hunts, kills and feeds on other organisms (prey).

Question 8

• Prey

Answer 8

• hunted on, killed and fed on by other organisms (predator).

Question 9

• Habitat

Answer 9

• where an organism lives.

Question 10

• Population

Answer 10

• all the members of one species living in a habitat.

Question 11

• Community

Answer 11

• All plants, animals and microorganisms living in a habitat.

Question 12

• Species

Answer 12

• a group of organisms that can interbreed to produce fertile offspring.

Question 13

• Food Chain

Answer 13

• diagram showing the feeding relationships between different organisms.

Question 14

• Food Web

Answer 14

• shows ecosystems which have a large number of interconnected food chains.

Question 15

• Ecosystem

Answer 15

• all the organisms living in a particular habitat and non-living components with which they interact.

Question 16

• Niche

Answer 16

• the role and organism plays within its ecosystem.

Question 17

• How does competition in ecosystems occur?

Answer 17

• when organisms require the same or similar resources that are in short supply.

Question 18

• Interspecific Competition

Answer 18

• occurs between individuals of different species that require similar resources within an ecosystem, (eg. Lions and Hyenas).

Question 19

• Intraspecific Competition

Answer 19

• occurs between individuals of the same species who require all the same resources. This competition is much more intense.