44.1 marine adaptations: temporary water dwellers

Question 1

extreme dehydration that is fatal

Answer 1

desiccation

Question 2

some aquatic invertebrates that can live even when they lose like all their body water

-they have and adaptation called _______

Answer 2

anhydrobiosis

• protects the cells by keeping the cell membrane intact
• possibly trehalose replaces the lost water
• a dormant stage when their habitats dry up

Question 3

example of anhydrobiosis

Answer 3

the water bears
(tardigrades)

-can go from 85% to 2% and survive in an inactive state until water is added again