1. Name and describe 4 characteristics of insects.
The 4 characteristics of an insect is that they have 6 legs, all insects have 6 jointed legs. jointed appendages, jointed feet, 3 body segments they all have a protective shell also called the exoskeleton. they are very small and that makes them very successful that helps them escape from enemies and travel to new enviroments.
2. An insect's thorax is responsible for locomotion. Why is this? What are the different parts of the thorax that make this true and how do they work?
The thrax on an insect is important for locomotion because it gives support for the three pairs of jointed legs.for one or two pairs of wings and on many insects it's used. The different parts of the thorax is made up of the lungs, heart, aorta, ribs, spine, and shoulders. the thrax has three segments prothorax,mesothorax, and the, metathorax.
3. Name and describe 4 different antennae types and an example of an insect with that type. Why do insects have different types of antennae?
Moiliform- bead like ex: termites and beetles
Setaceous- bristle-like ex: dragon flies and densel flies
Aristate- three segments ex: blow flies and house flies
Geniculate- elbow-like ex: ants and bees
4. What is the largest insect? What is the smallest insect? Why are no insects larger than a toaster?
The largest insect is the Acteon beetlefrom south America. The smallest insect is a North American feather-winged beetle.
5. Name and describe 3 ways that insects are beneficial to people. Name and describe 3 ways that insects are harmful to people.
insects are beneficial to us by: help control other pests. good indicator of water pollution. fascinating to watch.
insects are harmful to us by: chewing leaves, or fruits of the plants. attacking the roots and underground stems. They feed on humans, causes dieseses.
6. Why are some insects' exoskeletons very rigid and others are so soft? Give an example of an insect with a hard exoskeleton and one with a soft exoskeleton. beetle. rollie pollie