Question

complete the chart below. place each of these animals in the correct column.
ant crab lobster roundworm snail
bee crayfish mite sand dollar spider
butterfly earthworm mosquito scorpion squid
clam flea octopus sea star tapeworm
cockroach grasshopper oyster slug tick

1. worms 2. mollusks 3. spiny - skinned invertebrates 4. arthropods

Explanation:

• Worms: Earthworm, roundworm, tapeworm. These are classified as worms based on their body structure and characteristics typical of the worm phylum.
• Mollusks: Clam, octopus, oyster, snail, slug, squid. Mollusks have soft bodies, often protected by a shell (in some cases like clams, oysters, snails; octopuses and squids have reduced or internal shells).
• Spiny - Skinned Invertebrates: Sand dollar, sea star. These belong to Echinodermata, which have a spiny - skinned appearance and a unique water vascular system.
• Arthropods: Ant, bee, butterfly, cockroach, crab, crayfish, flea, grasshopper, lobster, mite, mosquito, scorpion, spider, tick. Arthropods have jointed appendages, an exoskeleton, and segmented bodies.

Answer:

1. Worms: earthworm, roundworm, tapeworm
2. Mollusks: clam, octopus, oyster, snail, slug, squid
3. Spiny - Skinned Invertebrates: sand dollar, sea star
4. Arthropods: ant, bee, butterfly, cockroach, crab, crayfish, flea, grasshopper, lobster, mite, mosquito, scorpion, spider, tick