Which particles can wind move most easily?
A. sand
B. pebbles
C. silt.
D. gravel

A. Sand

Explanation:

I think thats the most obvious answer

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.