An invertebrate that has an external skeleton, a segmented body, and jointed appendages.

• echinoderm
• cnidarian
• arthropod
• segmented worm

Invertebrates that have stinging cells and take food into a central body cavity.

• echinoderm
• mollusk
• flatworm
• cnidarian

Tags

NGSS.MS-LS4-2

An example of Porifera with osculum and is sessile.

• cnidarian
• sponge
• mollusk
• echinoderm

Any animal lacking a backbone or notochord.

• vertebrate
• invertebrate

Birds belong to which phylum?

• Chordata

• Reptile

• Arthropod

• Amphibian

Tags

NGSS.MS-LS4-2

Sea sponge belong to which phylum?

• Mollusc

• Porifera

• Echinoderms

• Cnidarians

Sea urchin belong to which phylum?

• Mollusc

• Porifera

• Echinoderms

• Cnidarians

Tags

NGSS.MS-LS4-2

Squid belong to which phylum?

• Fish

• Mollusk

• Chordata

• Cnidarians

Tags

NGSS.MS-LS4-2

Humans belong to which phylum?

• Chordate

• Arthropod

• Echinoderm

• Porifera

Tags

NGSS.MS-LS4-2

What type of symmetry do cnidarians have?

• asymmetrical

• bilateral

• radial

• medial