Intro to life Flashcards
A membrane-covered structure that contains all of the materials necessary for life
Cell
Causes an organism to respond in some way
Stimulus
Maintenance of a stable internal environment
Homeostasis
When organisms reproduce, they pass copies of all of part of them
DNA
Two parents produce offspring that share the characteristics of both parents
Sexual reproduction
A single parent produces offsprings that are identical to the parent through the process
Asexual reproduction
One cell
Unicellular
More than one cell
Multicellular
an organism that creats its own food or energy
Producers
an orgamism that cannot produce its own food and must eat other plants and/or animals to get energy
Consumers
any organism that breaks down or eats decaying material for its energy source
Decomposers