The most similar members of a genus belong to which level?

• class
• phylum
• kingdom
• species

Which statement is true about all Protists and Archaea?

• They live together in colonies.
• They live inside other organisms.
• They are neither plant nor animal.
• They are neither single-celled nor multi-celled.

How are plants similar to animals?

• Plants and animals are multicellular organisms.
• Plants and animals contain chlorophyll.
• Plants and animals make their own sugar for food.
• Plants and animals reproduce using cones or spores.

Look carefully at the illustration to the right. How is this animal best classified?

• worm
• arthropod
• mollusk
• vertebr

What does a vertebrate have that an invertebrate does not have?

• gills
• a brain
• lungs
• a backbone

What makes mammals different from all other vertebrates?

• They give milk to their young.
• They live on land.
• They are warm-blooded.
• They use lungs to breathe.

How would scientists classify a vascular plant with no seeds?

• fern
• moss
• conifer
• flowering plant

Which statement best describes conifers?

• Conifers do not have leaves.
• Conifers are protists.
• Conifers are nonvascular plants.
• Conifers reproduce using cones and seeds.

_____________ is  a type of vascular plant that reproduces using cones and seeds.

• phylum
• species
• vascular
• conifer

Animals without backbones are called _____________. 

• Vertebrates
• Nonvascular
• Vascular
• Invertebrate