Biology - Animalia Flashcards
1
Q
Porifera
A
Commonly called sponges
2
Q
Hermaphrodite
A
Produce both male and female gametes
3
Q
Outside layer of a sponge
A
Epithelium
5
Q
Collar cells
A
Store food
6
Q
Osculum
A
Opening at the top of a sponge
7
Q
How do sponges feed
A
Filter feeding
7
Q
What are the skeletons of sponges made of
A
Spongin, Spicules
8
Q
Flukes
A
Parasitic flatworms (hermaphroditic)
9
Q
Contractile cells
A
Controls what enters the sponge
10
Q
Radial symmetry
A
The arrangement of body parts around a central axis. Similiar to a wheel.
11
Q
Cephalization
A
The start of a brain, found in flatworms
12
Q
Polyp
A
Vase shaped tentacles and mouth point upwards (sessile)
13
Q
Medusa
A
Both mouth and tentacles face down (moving)
13
Q
Nerve net
A
Coordinates the activity of the cnidocytes and the tentacles.
16
Q
Cnidarian
A
Cells that contain cnidocytes
