Lecture 9 - Animal Diversity and Function Flashcards
1
Q
Animal
A
- Eukaryotes
- Multicellular heterotrophs
- Ingest food
2
Q
Tissue
A
Integrated group of cells with a common function or structure
3
Q
Radial Symmetry
A
- Body parts radiate from center
- Sessile or drift
- No head or sensory organs
4
Q
Bilateral symmetry
A
- Mirror image right and left sides
- Anterior and posterior
- Dorsal and ventral
- Move headfirst
- Head with a concentration of sensory organs
5
Q
Sponges
A
No tissues, nerves, muscles, or symmetry
Purple Tube Sponges and Azure Vase Sponges
6
Q
Cnidarians
A
- Radial Symmetry
- Two true tissue (Gastrodermis and Epidermis)
- gastrovascular cavity
- two body forms (medusa and polyp)
Jellyfish and Coral
7
Q
Flatworms
A
- Bilateral symmetry
- three tissue layers
- no body cavity
Planarians, Flukes, Tapeworms
8
Q
Nematodes
A
- Bilateral symmetry
- three tissue layers
- no body cavity
Roundworms and Soybean cyst
9
Q
Molluscs
A
- Bilateral symmetry
- three tissue layers
- body cavity
- open circulatory system
Snails, slugs, oysters, clam, octopus, squid, gastropods
10
Q
Annelids
A
- Bilateral symmetry
- three tissues layes
- body cavity,
- closed circulatory system
Earthworms, worms, glycera
11
Q
Arthropods
A
- Bilateral symmetry
- three tissue layers
- a body cavity, exoskeletons
- open circulatory system
Horseshoe Crab, Arachnids, Crustaceans, Myriapods, Insects
12
Q
Echinoderms
A
- Bilateral symmetry as larvae, radial symmetry as adults
- three tissue layers
- a body cavity, endoskeleton
- water vascular systems
Sea stars, sand dollar, sea urchins
