3.6 day 1 Flashcards
characteristics of animals
domain: eukarya
cell type: eukaroytic
number of cells: multicellular
nutririon: heterotrophic
cell wall: no cell wall has cell membrane
method of reproduction: Sexual
what are the four body plans
Invertebrate vs vertebrate
symmetery
segmentation
movement
what is a body plan?
a body plan refers to the arrangement of organs an animal has (i,e Arms, legs)
what is a invertebrate
an animall that does not have a back bone
what is a vertebrate
an animal with an internal skeleton and backbone
describe the invertebrate animal
sponges
-live in marine and fresh water enviorments
- only animal with asymmeterical body
- stionary adults
- feed by trapping food particles that float pass their internal channels
describe the inverbrate animal
phylum cnidaria
Have muscle tissue and simple nervous system
- radial symmetery
describe the invertebrate animal
Worm
Bilateral symmetery
developed brain-like concentration of cells
eye sprits in the head area
two examples of worms?
Phylum Platyhelminthes
Phylum Anneilda
fleat head worm, earth worm
the class Bivalves is examples of?
Having two part shells such as clams, mussels and oysters
What is the order of Gastropods and give two examples
Phylum Mollusca
-Mostly coiled shells
-move using the “big foot”
-ex.) shelled snails and non shelled snails
What is the class Cephalopods and give two examples
-Cephalopods have grasping tentacles
-they move with bursts of speed by suckling and releasing water
(i.e octopus and squid)
- octopus have large brains and they can learn to do complex tasks