Intro Flashcards
What is the order of animal system parts
Cells, tissue, organs, system, organism
Define symmetry
Having sides
What are the three types of symmetry in animals?
No symmetry
Bilateral symmetry
Radial symmetry
Define radial
Symmetry from a central point out
What are characteristics of radial symmetry?
All live in water
Move slowly
Define bilateral symmetry
Having left and right sides
What are characteristics of bilateral symmetry
Live on/in water/land/air
Move quickly
Can be large
Have a front and back or head and tail
Bilateral symmetry animals have what on their front ends
Sensing organs
Define dorsal
The back
Define ventral
The belly side
Define anterior
Toward the head
Define posterior
Toward the tail
Define lateral
Toward the sides
Define invertebrates
Animals who don’t have a back bone
Define animal
A multi-celled organism that are heterotrophic and that move at some point in its life