1)How many organs does a sponge have?
0
2
10

2)What are the pinacocytes like?
a brain
a suction cup
skin

Which cells do sponges use to capture food?
myocytes
archeocytes
choanocytes

What is the simplest type of sponge?
leuconoid
syconide
asconoid

How do scientists divide kingdoms?
into orders
into phylums
into species

Why do porocytes need myocytes
to transport food to them
to open them up and close them
to protect them

How long has sponges been on earth?
Billions of years
Millions of years
Thousands of years

How do sponges feed?
photosynthesis
hunting
filtering