Answer:
There are seven currently recognized families of bees: Apidae, Megachilidae, Halictidae, Andrenidae, Colletidae, Melittidae, and Stenotritidae. The largest one, Apidae, includes our well-known honey bees and bumble bees. However, these bees make up only a fraction of total bee diversity even within their own family.
Explanation:
B. the intensity o stimulus and the observer's criteria.
Consists of cranial and spinal nerves carrying impulses to and from the brain and spinal cord
Answer: A) a process of change in a population through time
Explanation: