Sponges and Cnidarians

Question 1

__ of all animals are invertebrates

Answer 1

95%

Question 2

animals with backbone

Answer 2

vertebrates

Question 3

animals without backbones

Answer 3

invertebrates

Question 4

animals are __cellular

Answer 4

multicellular

Question 5

animals are __trophs

Answer 5

heterotrophs

Question 6

what do sponges have in terms of structure?

Answer 6

they are lined with specialized cells called choanocytes and supported by a skeleton made of spicules

Question 7

what do sponges not have?

Answer 7

they lack tissues, organs, organ and systems

Question 8

what phylum are sponges in?

Answer 8

phylum porifera

Question 9

where do sponges live?

Answer 9

primarily sponges live in aquatic environments with the vast majority living in the ocean but some species be found in fresh water lakes and rivers

Question 10

how do sponges eat?

Answer 10

they are filter feeders; they collect food from water that flows through their bodies

Question 11

what can sponges’ spongin body part be used for?

Answer 11

as a line of defense