3.3

Question 1

Native species

Answer 1

plants and animals that naturally inhabit an area

Question 2

introduced species or foreign species

Answer 2

when people,
intentionally or by accident, transport plants, animals, or micro-organisms
into regions where they did not exist previously

Question 3

Invasive species

Answer 3

e organisms that can take over the habitat of
native species or invade their bodies, thus weakening their immune
systems

Question 4

Competition

Answer 4

Introduced invasive species compete against native species for essential
resources such as food and habitat

Question 5

Predation

Answer 5

Introduced predators can have more impact on a prey population than
native predators, as prey may not have adaptations to escape or fight
them

Question 6

Habitat alteration

Answer 6

Introduced invasive species can make a natural habitat
unsuitable for native species by changing its structure or
composition