Chapter 2 Flashcards
Criteria
Chosen standards used to make decisions
Classify
To arrange things into groups by their similarities
Body Plan
The overall shape or layout of an organism’s body
Bilateral Symmetry
A body plan in which the right and left halves of the body mirror each other
Radial Symmetry
A body plan in which parts are arranged in a circular pattern around the center
Vertebrate
An animal with a backbone
Invertebrate
An animal without a backbone
Appendage
A smaller body part that extends from the main body part
Herbivore
An organism that only eats or gets plants
Carnivore
An organism that only eats or gets other animals
Omnivore
An organism that only eats or gets plants and animals
Stimulus
Anything that causes an organism to respond
Habitat
An animal’s home
Biotic Factor
A living part of a habitat
Abiotic Factor
A nonliving part of a habitat