They use the algae in the water
For prey: it's used for hiding from predators
For predators: it's used to sneak and pounce on the prey
An example of a structural adaptation for a zebra is A) The zebra herd constantly moves and is in the Company of other grazers for survival.
The answer is
A . Volcanoes
The statement which best explains the presence of carbon 14 in organisms is this: THE RADIOACTIVE ISOTOPE REACTS IN THE SAME WAY AS THE STABLE ISOTOPES IN THE CHEMICAL REACTIONS IN THE BODY.
The radio active carbon 14 that is found in living organism react in the same way that other carbon isotopes react and does not have any damaging effect on the body.