Many wasps and bees have an hourglass-shaped body with prominent striping. Most also have a sting that they use for defense and/or for capturing prey.
Tropical entomologists have long known that there are many other species of insects that lack a sting, such as flies, moths and beetles, that are remarkable mimics of bees and wasps. The mimics probably arose through A) interbreeding with wasps and bees in the remote past.
B) developing a strong desire to survive attacks by predators.
C) long and slow modification through natural selection.
D) interspecific competition with bees and wasps.
Question 2
Unlike solar and wind facilities, coal-burning plants and nuclear power plants
A) can be constructed more quickly.
B) can be added gradually as demand grows.
C) can consistently generate electricity at night.
D) do not pose as great a security risk.
The dorsal (red) and ventral (blue) body cavities.
Body Cavities
(a) Masai from East Africa have body types adapted to warm climates.
Types of body movements.
Summary of Nonspecific Body Defenses
Body Plan of a Crocodile