Mollusks and Arthropods

Which characteristic is NOT found in all mollusks?

• mantle

• foot

• lungs or gills

• complex nervous systems

What is something gastropods and bivalves have in common?

• They all live in the water

• They have tentacles to feed/hunt

• They can have an external shell

• They have an internal shell

Tags

NGSS.MS-LS4-2

Which of the following is NOT one of the characteristics that make cephalopods different from other mollusks?

• They have a closed circulatory system

• They live in the ocean

• They are very smart

• They use tentacles to hunt

What does "having an open circulatory system" mean?

• the blood can leave the body

• the animal doesn't have a heart

• the blood is not contained in blood vessels

• the blood is blue in color

Which of the following animals does not belong in the mollusk group?

• lobster

• clam

• squid

• slug

Which of the following is NOT shared by all arthropods?

• appendenges

• exoskeleton

• vertebrates

• segmented bodies

Crustaceans, arachnids, insect, millipedes and centipedes all belong to which group of invertebrates?

• Arthropods

• Cnidarians

• Mollusks

• Worms

The 3 body parts that all insects have are:

• head, middle, and abdomen

• front, thorax and abdomen

• head, thorax and end

• head, thorax and abdomen

True or False: Most insects have wings

• True

• False

Which of the following is NOT a way that insects interact with other living things?

• Pollen carriers

• Disease carriers

• As a form of pest control

• environmental clean-up