7.5 INVASIVE SPECIES

Question 1

What are native species?

Answer 1

Species that are a natural part of an ecosystem

Question 2

What are introduced species?

Answer 2

Species that are brought into a country or ecosystem by human activity

Question 3

What are invasive species?

Answer 3

An animal or plant introduced into an ecosystem by humans, which damages the ecosystem

Question 4

What are the characteristics of a cane toad?

Answer 4

1. Large, up to 20cm
2. Toxic skin

Question 5

What do cane toads eat?

Answer 5

Rats, mice, reptiles, amphibians, insects, and birds

Question 6

Where are cane toads native to?

Answer 6

South & Central America

Question 7

What are cane toads eaten by?

Answer 7

Caiman, snakes, large fish, and ibis

Question 8

What species are driven to near extinction by cane toads?

Answer 8

Australian native quoll

Question 9

What are the characteristics of a water hyacinth?

Answer 9

Lovely pink, ornamental flower

Question 10

What is an animal example of invasive species?

Answer 10

Cane Toad

Question 11

What is a plant example of invasive species?

Answer 11

Water Hyacinth

Question 12

Where are water hyacinths native to?

Answer 12

South America

Question 13

Where are water hyacinths introduced to?

Answer 13

Africa, Asia, Europe, and Middle east

Question 14

How are water hyacinths invasive?

Answer 14

Fast growing, covering lakes and waterways, blocking sunlight & oxygen