Structure and Function
Living things that are multicellular, have a nucleus and cell walls, and are producers
Plant
Anything that causes an organism to react or resond
Stimulus
Specific characteristic that varies from one organism to another
Trait
Disappearance of a species form its geographical range
Extinction
Organism that breaks down and gets its food from dead organic matter
Decomposer
Group of tissues that work together to carry out a specific function
Organ
reaction of an organism to an internal or external stimulus
Response
Female reproductive cell
egg
Differences among traits within a species
Diversity
Physical/non-living thing that has an affect on the organisms in a ecosystem
Abiotic factor
All of the living and non-living things that exist together in a certain place
Ecosystem
internal conditions of an organism that remain fairly constant
Stable internal envirionment
Structure found in the nucleus that carries the genetic information for an organism
Chromosome
Inherited characteristic or trait that increases an organism's chance of survival
Adaptation
the path of energy transfer (food) form one living thing to another in an ecosystem
Food chain
Living things that usually are single celled microorganisms, have a nucleus, and are not plants, animals, or fungus
Protist
Process by which a single organism can reproduce by itself
Asexual Reproduction
Group of organisms of the same species that live in the same area
Population
Single celled microorganism that has a cell wall but no nucleus
Bacteria
Group of similar organisms that can mate and reproduce fertile offspring
Species
All of the physical and biological conditions in which an organism lives and how it uses these conditions
Niche