Freshwater Habitats

Question 1

What volume and surface area of the earth’s water is freshwater?

Answer 1

0.8% volume

2% freshwater

Question 2

Example of freshwater habitat in Russia

Answer 2

Lake Baikhal, Russia

Question 3

What percentage of all molluscs and what percentage of all fish are in freshwater?

Answer 3

25% of all molluscs

55% of all fish

Question 4

Stats for freshwater threatened

Answer 4

Since 1970 consistent decline in population abundance (declined by 84%)

Question 5

5 reasons we should study freshwater habitats

Answer 5

X

Question 6

Hydrogenobaculum

Answer 6

Species of bacteria that lives off hydrogen

Question 7

What type of flu can survive extremely hot conditions such as hot springs?

Answer 7

Brine flies

Question 8

Mexican tetra fish

Answer 8

Surface morphs have eyes, cave morphs have no eyes, no scales so swim more efficiently, more increased red blood cell development.

Question 9

What are the four main ways animals could survive extreme habitats (eg. Dry habitats)

Answer 9

1. Dormancy
2. Diapause
3. Dispersal
4. Die young

Question 10

Dormancy

Answer 10

X

Question 11

Diapause

Answer 11

X

Question 12

Dispersal

Answer 12

X

Question 13

Die young

Answer 13

X