Lesson 1 Flashcards
Cell
The basic unit of structure and function
Organism
Living things
Unicellular
A single called organism
Multicellular
An organism with 2 or more cells
Metabolism
The combination of chemical reactions through which an organism builds up or breaks down materials
Stimulus
A change in an organisms surroundings that causes the organism to react
Response
An action or change in behavior
Development
The process of change that occurs during an organisms life
Asexual reproduction
Only one parent produces an identical offspring
Sexual reproduction
Two parents combining their genetic info to create a diverse offspring
Spontaneous generation
The mistaken idea that living things can arise from non living sources
Controlled experiment
A series of tests that are identical in every aspect except one
Autotroph
Something that can produce its own food
Heterotroph
Organisms that can’t make their own food
Homeostasis
The maintenance of stable internal conditions