Invertebrate Test Algae, Plankton, Sponges, Cnidarians

How an organism's body is arranged is known as...

• symmetry

• geometry

• shadows

• trigonometry

when an organisms body is arranged in a circle

• asymmetrical

• bilateral

• radial

• ludacrisacal

when an organisms body has no defined shape

• asymmetrical

• bilateral

• radial

• ludacrisacal

when an organisms body is the same on both sides

• asymmetrical

• bilateral

• radial

• ludacrisacal

sponges are

• asymmetrical

• radial

• bilateral

how do sponges get their food?

• use sharp teeth and claws

• filter feed through pores

• photosynthesis

• use stealthiness and extreme speed

Where can you find a medusa's nematocysts?

• On its tentacles

• Near its mouth

• Along its back

• Inside its body

Where would you find a sessile organism?

• Swimming through the sea

• Drifting on ocean currents

• Anchored to a rock

• Walking across the seafloor

The Latin name "cnidaria" refers to what feature?

• Tentacles

• Stinging cells

• Lack of mobility

• Radial symmetry

A new sponge may begin life as:

• A growth on an older sponge

• A piece cut off of an older sponge

• A mobile larva

• All of these