Animals Flashcards
1
Q
Choanoflagelletes
A
Out group to animals
2
Q
Animal Phylas
A
Porifera Ctenophora Cnidaria Rotifera Annelida Mollusca Ecdysozoa Nematoda Arthropoda Echinodermata Chordata
3
Q
Porifera
A
Sponges Asymmetry No true tissue layers/organs Acoelomate Basal group Filter/suspension feeders Diffusion Aquatic
4
Q
Ctenophora
A
Comb Jellies Diploblastic Radial symmetry No CNS Sticky cells (carnivores/predators) Acoelomates One-way gut (partially) Diffusion No stinging cells (Cnidocytes)
5
Q
Cnidaria
A
Jellyfish, coral, sea anemones Diploblastic Radial symmetry 2 way gut Gastrovascular cavity Cnidocytes (stinging cells) No CNS Aceolomates
6
Q
Lophotrochozoa
A
Rotifera (Rotifers)
Platymelminthes (Flatworms)
Annelida (Segmented worms)
Mollusca (Snails, clams, squid)
7
Q
Ecdysozoa
A
Nematoda (roundworms)
Arthropoda (insects, spiders, crustaceans)
Echinodermata (Sea stars)
Chordata (Vertebrates tunicates)
8
Q
Chordates Characteristics
A
- Pharyngeal gill slits
- Notochord
- Dorsal hallow nerve chord
- Muscular post-anal tail
9
Q
Rotifera
A
Bilateral Triploblastic 1 way gut Suspension Feeder Pseudocoelomates
10
Q
Platymelminthes
A
Flatworms Bilateral Triploblastic Acoelomate 2 way gut Parasitic
11
Q
Annelida
A
Segmented worms Segmented Bilateral Triploblastic Ceolomates 1 way gut
12
Q
Mollsuca
A
Snails, clams, squid True coelomate Diverse Mantle Filter feeders & predators
13
Q
Nematoda
A
Roundworms Nematodes Unsegmented 1 way gut Pseudocoelomate Parasitic/predatory Bilateral Triploblastic Shed cuticle
14
Q
Arthropoda
A
Insects, spiders, crustaceans Bilateral Triploblastic Coelomates 2 way gut Lungs/gills Predators & decomposers Marine/terrestrial
15
Q
Echinodermata
A
Sea stars, echinoderms All marine External spawning Bilateral as larvae Pentaradial as adults Water vascular system Triploblastic
