Invertebrates Video

The animal kingdom is divided into which two groups?

• Prokaryotes and eukaryotes

• Carnivores and herbivores

• Vertebrates and invertebrates

What don't invertebrates have?

Most animal species are vertebrates.

• True

• False

Do you know a more scientific way to refer to worms?

• Annelids

• Cnidarians

• Arachnids

• Echinoderms

Do you know a more scientific way to refer to sea jellies?

• Annelids

• Cnidarians

• Arachnids

• Echinoderms

Which of the invertebrates mentioned in the video has a soft body and two openings (holes)?

• Cnidarians (sea jellies in the video)

• Sponges

• Annelids (worms in the video)

• Echinoderms

Which of these are molluscs?

• Octopuses

• Squids

• Jellyfish

• Snails

Which group of invertebrates is the most abundant?

• Annelids

• Cnidarians

• Molluscs

• Arthropods

What is characteristic of the arthropod group?

• They have an internal endoskeleton

• They have an external exoskeleton

• They have no skeleton

• They have a backbone

Which of these are arthropods?

• Cockroaches

• Spiders

• Snails

• Crabs