ARTHROPODS
MOLLUSKS
BREATHING
DIET
ARTHROPODS & MOLLUSKS
100

What are Arthropods?

Arthropods are animals with:

  • Hard body covering (exoskeleton)
  • Many legs
  • Bodies with parts (head, body, legs)
100

What is a mollusk?

A. An animal with feathers
B. An animal with a soft body
C. An animal with fur
D. An animal with wings

B. An animal with a soft body

100

Insects breathe with lungs like humans.

False
100

What do snails eat?

Plants, leaves, fruit.

100

How do we classify mollusks?

  • Gastropods (snails, slugs)
  • Bivalves (clams, oysters)
  • Cephalopods (octopus, squid)
200

Which of these is an arthropod?

A. Fish
B. Bird
C. Crab
D. Frog

C. Crab

200

3. Which mollusk has NO shell?

A. Clam
B. Snail
C. Oyster
D. Octopus

D. Octopus

200

Snails can breathe air.

True

200

What do spiders eat?

They eat other insects. 

200

What do arthropods eat?

  • Some eat plants 🌿
  • Some eat other animals 🐛
  • Some eat both plants and animals
300

How do most arthropods reproduce?

They lay eggs.

300

4. How do water mollusks breathe?

A. With lungs
B. With skin
C. With gills
D. With nose

C. With gills

300

How do insects breathe?

They use spiracles to breathe.

300

Butterflies feed on ____ so they are_____.

nectar, plants/ herbivores.

300

What do mollusks eat?

  • Snails eat plants 🌱
  • Octopus eats fish 🐟
  • Some filter food from water
400

What is one main feature of arthropods?

A. Soft skin
B. No legs
C. Hard outer shell
D. Fur

C. Hard outer shell

400

6. What does a shell do?

A. Helps the mollusk fly
B. Protects the soft body
C. Helps it sing
D. Helps it jump

B. Protects the soft body

400

How do snails breathe?

They use one lung to bretahe.

400

Snails feed on plants. They are ...

herbivores

400

Arthropods are divided into groups:

What are they?

  • Insects (ants, butterflies, bees)
  • Arachnids (spiders, scorpions)
  • Crustaceans (crabs, shrimp)
  • Myriapods (centipedes, millipedes)
500

Which arthropod lays eggs in a silk sac?

A. Ant
B. Spider
C. Crab

B. Spider

500

Mention 5 examples of mollusks.

clams

octopus

oysters

squids

slugs

500

Water mollusks (like clams and octopuses) use _____ to breathe.

gills

500

Mollusks and arthropods that eat other animals are known as...

carnivores

500

How do arthropods breathe?

  • Insects breathe through tiny holes in their body spiracles
  • Crabs breathe with gills