invertebrates

Invertebrates

by Nikkole Wowaka

Multiple Choice

What type of organism makes its own food?

• Autotroph

• Heterotroph

Multiple Choice

Which term describes a support structure on the outside of an animal?

• Exothermic 
• Exoskeleton 
• Endothermic

Multiple Choice

What does invertebrate mean?

• Animals without a backbone

• Animals that change their form

• Animals with a backbone

• Animals that lay eggs

Multiple Choice

The arthropods are 

• Molluscs, anelids, worms, insects
• insects, arachnids, crustaceans, myriapods 
• worms, arachnids, crustaceans, echinoderms
• echinoderms, spiders, crabs, insects

Multiple Choice

What are the main sections of the insects?

• Abdomen, thorax and head
• Head and abdomen
• Their body has lots of segments
• They have got tentacles

Multiple Choice

ALL mollusks have shells.

• True

• False

Multiple Choice

I have a soft-body, a hard shell, and live on land and water.  What am I?

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian

Multiple Choice

The snail has a _____ to move. 

• Shell
• Foot
• Antenna 
• Head

​​Echinoderm means spiky skin, they are from the phylum Echinodermata.

​​It feels spiky because of the hard enoskeleton just beneath its thin skin.

Multiple Choice

sea cucumber, brittle stars, and sea stars 

• Mollusks
• Echinoderms 
• Segmented Worms
• Arthropods 

​Porifera

Multiple Choice

Sponges use pores to absorb nutrients and oxygen.

• true

• false

Multiple Choice

Sponges

• Are plants

• Are plankton

• Are found in cold waters

• Are filter feeders

​​They also have tiny, stiff hairs called setae that helps them grip surfaces.

Multiple Choice

What group has a long tube-like body with many sections and breathes through its skin?

• Segmented Worms
• Arthropods
• Echinoderms
• Sponges 

Multiple Choice

• Mollusk
• Echinoderm
• Annelid
• Crustacean

​​Flatworms/Platyhelminthes

​​In the phylum Platyhelminthes, it's name accurately describes it.

• ​They have bilateral symmetry and a flat body shape.

• ​Most live in fresh water or salt water.

• ​Some swim freely, gathering food in the water, others are parasites that can infect humans.

Multiple Choice

leeches and earthworms

• Mollusks
• Arthropods
• Echinoderms
• Segmented Worms

​Roundworms/ Nematodes

​​Nematodes, or roundworms, are part of the phylum Nematoda.

• ​Some can infect humans, other infect dogs or even plants.

• ​Most live in soils and are too small to see.

• ​They have a hydrostatic skeleton and a hard outer covering called a cuticle for protection.

• ​They shed their cuticle to replace it with a larger one in a process called molting

​Cnidarians

• ​​Corals, anemones, jellyfish, hydras and Portuguese man-of-war are members of phylum Cnidaria.

• ​The name comes from the special cells these animals use to catch their prey.

• ​Nematocyst cells inject poison into animals that they touch.

• ​They do have true tissues, some swim and move, others attach to rocks like the sponges.

Multiple Choice

To what phylum do I belong?

• Annelid

• Mollusk

• Echinoderm

• Cnidarian

Multiple Choice

They have poisonous tentacles

• birds

• fish

• echinoderms

• Cnidarians