The spiny “leaves” on a cactus plant are an example of a adaptation.
a. predator
b. prey
c. mutualism
d. commensalism

Answer is a. Predator

Most of the cactus have spines. The spines are modified leaves which minimize the surface area and so reduce water loss by transpiration. The spines also protect the cacti from predators such as desert grazing animals that might eat them.

anti-human ngf stable cell line (fulranumab) can be provided from creative biolabs.

explanation:

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.