Porifera (sponges)

sponges ARE asymmetrical?

True or false?

True

Do sponges have true tissue?

No true tissue

What is spongin?

(sponge-y)

flexible support protein-based skeleton

what is spicules?

(spike)

Calcium carbonate or silica

What are spicules for?

(hard)

the sponges skeleton & protection

What is spongin used for?

support and elasticity

Do sponge embryos go through gastrulation or only Blastula stage?

Blastula

Sponges are filter feeders

True or false

True

Choanocytes trap & digest food

falst or True

True

Amoebocytes transport nutrients to other cells

True or False

True

Are amoebocytes skeletal materials?

(spongin & Spicules)

Yes

amoebocytes the same as Mesenchyme

True or false?

True

Can sponges reproduce asexually, sexually, or Both?

Both

asexual reproduction is with budding

True or false

True

Sexual reproduction is because they are hermaphrodites

True or false

True