10. Human Interaction with Environment

Question 1

Community of species living together

Answer 1

Multiple populations of different species living together and interacting in the same area

Question 2

Types of interactions (3)

Answer 2

Parasitism
Pathogenicity
Predation

Question 3

Parasitism

Answer 3

A parasite organism living in or on a host organism causing harm to the host. Ex. Fleas live on mammal bodies feeding on their blood

Question 4

Pathogenicity

Answer 4

An infectious microorganism (pathogen) living inside a host causing disease. Ex. Dutch Elm disease caused by fungal pathogen causes elm trees to loose leaves and die

Question 4

Predation

Answer 4

An organism catching and consuming an animal or consuming a recently dead animal. Ex. Lions hunt and eat Zebras

Question 5

Food Chain/ Web

Answer 5

Shows transfer of energy in an ecosystem
Shows interdependence of each organism on each other

Question 6

Producers

Answer 6

Organisms that produce their own organic nutrients usually using energy from sunlight.
Plants are producers as they carry out photosynthesis to make glucose

Question 7

Herbivore

Answer 7

An animal that gets its energy by eating plants

Question 7

Carnivore

Answer 7

An animal that gets its energy by eating other animals

Question 8

Primary consumers

Answer 8

Herbivores – they feed on producers (plants)

Question 9

Secondary consumers

Answer 9

Predators that feed on primary consumers

Question 10

Tertiary consumers

Answer 10

Predators that feed on secondary consumers

Question 11

Decomposers

Answer 11

Bacteria and fungi that get their energy from feeding off dead and decaying organisms and undigested waste (such as faeces) by secreting enzymes to break them down