1
Q
How long ago did sponges evolve ?
A
700,000,000 years ago
2
Q
What is sponges phylum?
A
Porifera
3
Q
Define Porifera
A
Body of organism is covered with tiny openings called pores
4
Q
What action don’t adult sponges do?
A
They don’t move, instead they are attached it a hard surface
5
Q
Where do sponges live?
A
Some in fresh h20
Most in salt h20
6
Q
Define sponges
A
Very ancient animals
Science: Unit 5, Animals
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