Marine Invertebrates

What are organisms that have a backbone?

• vertebrates

• invertebrates

What are organisms that do not have a backbone?

• vertebrates

• invertebrates

True or False? Most marine animals are invertebrates?

• True

• False

True or False? The shape of sponges is symmetric (have a definite shape).

• True

• False

True or False? Sponges can move.

• True

• False

True or False? Sponges have medicinal properties.

• True

• False

Which marine invertebrates can provide camouflage and protection for animals and provide a home to other organisms?

• sponges

• cnidarians

• echinoderms

• arthropods

What are the stinging cells called on cnidarians?

• cnidocytes

• polyps

• medusas

In which class of cnidarians are box jellyfish included?

• hydrozoa

• anthozoa

• scyphozoa

• cubozoa

What is the characteristic of ctenophores that allows them to give off light?

• radial symmetry

• bioluminescence

• stinging cells

• comb plates