Animal Kingdom Flashcards
1
Q
Bilateral Symmetry
A
two equal sides
2
Q
Radial Symmetry
A
Infinite equal sides, no matter where you cut
3
Q
Asymmetry
A
4
Q
Anterior
Dorsal
Ventral
Posterior
A
5
Q
Porifera
A
- filter water to collect food
- asymmetrical
- simplest animals
- Sponges
6
Q
Cnidarians
A
- All cnidarians have stinging cells
- radial symmetry
7
Q
Arthropods
A
- Insects (beetles, etc.), crustaceans, spiders, centipedes/milipedes
- bilateral symmetry
- most animals are arthropods
- Must molt to grow bigger
8
Q
Nematode
A
- roundworms
- All are parasitic (feed/hurt host)
- bilateral symmertry
9
Q
Flatworms
A
- Some are parasitic
- Bilateral symmetry
- Tapeworms are human parasites
10
Q
Annelids
A
- Earthworms
- Segmented
- Evolved after the round/flatworms
- More complex
11
Q
Mollusks
A
- Most make shells for protection
- Bilateral Symmetry
12
Q
Echinoderms
A
- Spiny skin
- Radial symmetry
- Tube feet for movement and respiration
- Water vascular (tube) system, how the tube feet move
13
Q
Chordata
A
- Mammals
- Birds
- Reptiles
- Fish
- Amphibians
- All have a notochord - flexible rod along back
14
Q
Cephalization
A
- Cepha=head
- Cephalization=forming of a head
- Increases chances of survival because all senses are located in one place