science quiz 4

each individual phyla share ____ body plans and ____ characteristics

(put a comma then a space in between each word ex:

cat, dog)

inverts typically have ____ internal structures to help support there bodies

what does invertebrate mean?

• an animal that HAS a backbone

• an animal that HAS a mouth

• an animal that does NOT have a backbone

• an animal that does NOT have a mouth

invertebrates tend to be smaller and move more slowly than vertebrates?

• true

• false

over ____ of all animal species have been recorded as invertebrates

• 85%

• 92%

• 74%

• 95%

invertebrates are the most ____ group

phylum porifera have...

• crabs

• sea anemones

• sponges

• ants

what is the simplest...

• phylum cnidaria

• phylum porifera

• platyhelminthes

• nematodes

phylum porifera is ____

phylum porifera have tissues, organs, organ systems?

• true

• false