Interactive Science Chapter 3: Classifying Organisms

Plants that have true roots, stems and leaves are called ____.

• nonvascular plants

• vascular plants

• seed plants

• spore plants

The smallest level of classification is a ...

• domain

• kingdom

• species

• phylum

How are animals different from other organisms? Pick all that apply!

• they are multicelluar

• they cannot make their own food

• they move around throughout their lives

• they do not have cells

How would a scientist classify a vascular plant with no seeds?

• flowering plant

• conifer

• moss

• fern

What two characteristics do all Arthropods have?

• two legs per body segment

• jointed legs and a cephalothorax

• three body segments and metamorphosis

• jointed legs and segmented bodies

This class has hair or fur and is the ONLY vertebrate that feed milk to their young.

• Fish

• Amphibians

• Insects

• Mammals

How do scientists classify animals into two large groups?

• By what they eat

• How they move about

• Whether they have a backbone

• If they are multicellular or not....

What kind of invertebrate is a crab?

• mollusk

• arthropod

• sponge

• echinoderm

Which of the following is in the same group as a crab?

• squid

• leech

• spider

• sponge

Which of the following animals eat only plant materials?

• carnivores

• herbivores

• omnivores

• endotherms