Natural/Human Impact On Ecosystems

Question 0

What 2 negatives can come out of bushfires?

Answer 0

May burn much land needing time to rehabilitate

May kill many plants and animals.

Question 1

What 3 positive things can come out of bushfires?

Sterilise

Answer 1

Can produce fertile ground for new plant growth and sterilise ground of pathogens and weed species
Helps open seed pods of plants
Australian plants have adapted to fire

Question 2

What positive thing can come out of drought?

Answer 2

Some animals have adapted to the environment
Eg. Some animals produce resistant spores or eggs that can last till the rain comes again, such as Artemia or a Brine Shrimp

Question 3

What are the 2 negatives that can come out of drought?

Answer 3

Can lead to the death of plants and animals

Often many animals may leave

Question 4

Name 2 other natural impacts on ecosystems

Answer 4

Storms and disease.

Question 5

Fill in the blank:

Habitat __________ creates major decline in species

Answer 5

Destruction

Question 6

Name 6 introduced species

Add years if needed

Answer 6

Bees
Foxes
Camels
Rabbits
Cane Toad
Cats

Question 7

Give 3 examples of ways that humans can destroy habitats

Answer 7

Chemicals in waterways
Over cropping and over fishing
Climate change and sea level rise