I think the answer is nitrogen fixation.
Answer:
Cactus plants are able to survive in drier environment because they are able to store water for long periods.
C)old or young
A dichotomous key is a tool or a used assessment that is utilized by most scientists like biologist and ecologist to organize and classify organisms into sets of classifiable structures like trees, animals, birds, cats, dogs. These are broad descriptions that systematizes a whole family of species into a set category or a whole kingdom in a simple language such as plants or animals.
Answer:
The main function of cellular respiration is to break down glucose to form energy.
