Science Study Guide Ch. 2: Insects and Spiders

Science Study Guide Ch. 2: Insects and Spiders

Instinct

The knowledge or skill that an animal is born with

Name two examples of arthropods 

Insects and spiders

The process by which an insect becomes an adult

metamorphosis

Colony 

A group of insects that live together

The tube a butterfly uses to suck 

probiscus 

The largest group of arthropods 

insects

The silk used to build a web comes out through these tiny tubes on a spider's abdomen.

spinnerets

Exoskeleton

The hard outer covering of an arthropod that provides protection and support.

An animal that has a backbone

vertebrate

Invertebrate

An animal without a backbone 

Two leglike parts on a spider’s head that it uses to hold and poison its prey

pedipalps

The last body section of an insect where digestion occurs 

abdomen

Means “jointed legs”

arthropod

Name two poisonous spiders

Brown recluse and black widow 

Name four ways spiders get their food

poisoning, trapping, fishing, hunting, building a web

The process by which an arthropod sheds its exoskeleton and grows a new one

molt

The pairs of legs on an insect

three pairs

A spider has this number of body sections

two

Name two protections that insects have 

biting, smelling bad, mimicry, speed, stinging

Head, thorax, abdomen

The three body sections of an insect

The pairs of legs on a spider

four pairs

Egg, larva, pupa, adult

The four stages of complete metamorphosis

Why should people care for insects such as bees?

Bees pollinate different trees and plants. They also provide honey that people can eat.