Marine Animals Flashcards
1
Q
Animals
A
Multicellular organisms capable of synthesizing their own food.
2
Q
Heterotroph.
A
- An organism that must consume food from other organism.
- Unable to synthesize their own food.
3
Q
Protozoa.
A
- Single-celled.
- Heterotrophic.
- Not true animal.
- Foraminifera, radiolarians, amoebas.
4
Q
Phylum Porifera.
A
Sponges digestive cells suspension feeders.
5
Q
Phylum Cnidaria.
A
- Jellyfish.
- Corals.
- Sea anemones stinging cells; cnidoblasts medusa and polyp body forms.
6
Q
Phylum Platyhelminthes.
A
Flat worms simplest worms.
7
Q
Phylum Nematoda.
A
- Round worms.
- First animal to possess a flow-through digestive system.
8
Q
Phylum Annelida.
A
- Segmented worms.
- Metamerism class.
- Polychaeta.
- Marine worms.
9
Q
Phylum Mollusca.
A
- Second largest phylum snails.
- Octopuses.
- Squids squids.
- Largest invertebrates octopuses.
- Most intelligent invertebrates.
10
Q
Phylum Arthropoda.
A
- Most successful phylum on Earth.
- Lobster, shrimp, crabs, krill, barnacles.
- Exoskeleton made of chitin.
11
Q
Phylum Echinodermata.
A
- Sea Star; star-shaped, tube feet act as suction cups.
- Water-vascular system brittle stars; sea urchins, sand dollars.
12
Q
The Chordates
Chordata
A
- Most advanced animal phylum.
- Posses a notochord at some time in life.
13
Q
Invertebrate Chordates.
A
- No permanent notochord tunicates.
- Amphioxus.
14
Q
Vertebrate Chordates.
A
Retain notochord.
15
Q
Fishes.
A
- Oldest vertebrate group.
- Ectotherms (Cold-blooded).
