Invertebrates

What is it called when an animal has body parts that match on either side?

• Stripes

• Camoflauge

• Symmetry

• Central

An animal with symmetry has body parts tht match other body parts around a point or a _________ line. 

• Symmetry

• Central

• Squiggly

• Sponge

Animals are classified by whether or not they have a ______________.

• Backbone

• Mom

• Fur

• Bones

What are animals without backbones called?

• Vertebrates

• Mammals

• Reptiles

• Invertebrates

What is the largest animal group on earth?

• Vertebrates

• Invertebrates

• Bugs

• Mammals

The simplest invertebrates are the __________.

• Mollusks

• Arthropods

• Cnidarians

• Sponges

Which animals have arm like parts called tentacles with stinging cells?

• Cnidarians

• Mollusks

• Arthropods

• Echinoderms

Which animals have spiny skin like sand dollars and sea urchins?

• Cnidarians

• Mollusks

• Arthropods

• Echinoderms

What animal live inside a shell like clams?

• Cnidarians

• Mollusks

• Arthropods

• Echinoderms

What is a skeleton that is outside the body called?

• Horns

• Endoskeleton

• Exoskeleton

• Segments