Invertebrates

What are invertebrates?

• Animals that have a backbone or spinal column.

• Animals that do not have a backbone or spinal column.

• Animals that are exclusively found in water.

• Animals that are warm-blooded.

Name the phylum that includes jellyfish and corals.

• Arthropoda

• Chordata

• Cnidaria

• Mollusca

How do echinoderms reproduce?

• Echinoderms reproduce only sexually through mating.

• Echinoderms reproduce both sexually and asexually, often through regeneration.

• Echinoderms reproduce by budding and fragmentation only.

• Echinoderms reproduce exclusively through external fertilization.

What is a common habitat for many invertebrates?

• Deserts

• Marine environments

• Mountains

• Urban areas

What type of symmetry do most Cnidarians exhibit?

• Bilateral symmetry

• Radial symmetry

• Asymmetrical

• Spherical symmetry

What is the primary feeding method of sponges?

• Sponges absorb nutrients directly from the water.

• Sponges filter feed by drawing water through their porous bodies to extract nutrients.

• Sponges use tentacles to capture prey.

• Sponges rely on symbiotic algae for nutrition.

What is the main characteristic of the phylum Arthropoda?

• Arthropods have a backbone and are warm-blooded.

• Arthropods have an exoskeleton, segmented bodies, and jointed appendages.

• Arthropods are exclusively aquatic and have gills.

• Arthropods are characterized by their ability to fly and have feathers.

Define the term 'sessile'.

• To stay in one place and not move.

• To move freely from one place to another.

• To grow rapidly in a short period of time.

• To reproduce asexually without any movement.

Which phylum do flatworms belong to?

• Arthropoda

• Platyhelminthes

• Chordata

• Mollusca

Give an example of an organism from the phylum Porifera.

• Coral

• Jellyfish

• Sponges

• Sea Anemone