The finches on the Galapagos Islands
were similar in form
except for variations in
their beaks. Darwin
observed that these
variations were useful
for
A. Attracting a
mate
B. Defending
territory
C. Building nests
D. Gathering food

but there is no

i guess you forgot putting it.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

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.