Which characteristic do all protists have? a they all make or consume food. b they all survive in any environment. c they are all unicellular. d they all have flagella.

The answer is A :

Reason : A protist is a algae which also is a plant and a plant makes and eats it's own food with the help of Sun and Water and all Protists are plants so if you hear the word Protist just think of a plant.

A. they all make or consume food

Explanation:

all organisms need food no matter how they obtain it

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: