The four characteristics of all animals are

What is true of ALL invertebrates?

Sponges belong to which phylum?

Attached to a surface, unable to move is the definition of

Sponges obtain nutrients and ________ from the water.

Sponges have which type of symmetry?

The main opening through which water, waste, and sperm exit a sponge

Sponges obtain nutrients by

How do sponges reproduce?

Animals with backbones have what type of symmetry? (One line creates two mirrored sides.)

What helps circulate water through a sponge?

Animals that have multiple lines of symmetry organized around a central point have what type of symmetry?

Changing form through life stages describes

Many species of sponges are hermaphrodites. This means they

Having no lines of symmetry describes

Openings in a sponge where water enters

The outer layer of cells on a sponge (or you)

Asexual reproduction method for sponges when conditions are not good

Asexual reproduction method where new sponges develop off the parent sponge, eventually falling off

A group of organisms of one species that live and interact closely with each other describes

Cells that distribute food and oxygen to the epidermis are called

The non-living jelly-like layer between the two cell layers of the sponge.

The gastrodermis (inner layer) is made up of choanocytes, which are also called

Hard particles that provide structure and protection for sponges. They are unique to each sponge species.