Invertebrates

An animal that does not have a backbone is a(n)

• vertebrate
• exoskeleton
• invertebrate
• none of these

An animal that survives by living inside another organism and getting food from the organism but does not help the organism survive is a

• prey
• parasite
• predator
• person

Special cells used by cnidarians to inject poison are called

• setae
• canals
• nematocysts

Tiny, stiff hairs that help earthworms grip surfaces are called

• setae
• nematocysts
• canals
  canal
• segments

The process of shedding and replacing an exoskeleton is called

• molting
• filtering
• metamorphosis
• nymphing

The feet of echinoderms are connected to large tubes called

• setae
• nematocysts
• canals
  canal
• segments

The process of an insect changing body form as it grows from an egg to an adult is called

• molting
• filtering
• metamorphosis
• nymphing

What am I?

• Mollusk
• Annelid
• Arthropod
• Cnidarian

Tags

NGSS.MS-LS4-2

What am I?

• Arthropod
• Cnidarian
• Mollusk
• Porifera

Tags

NGSS.MS-LS4-2

I am spiny, have a water vascular system with tube feet, radial symmetry, and am called a brittle star.

• Mullosk
• Arthropod
• Echinoderm
• Cnidarian