Respiration that requires oxygen
Respiration that does not require oxygen
basic building blocks of protein molecules
specialized proteins that speed up chemical reactions
physical characteristics of an organism
an organism that lives on or in a host and causes harm to the host
a seed plant that produces naked seeds
A flowering plant, which forms seeds inside a protective chamber called an ovary.
interaction in which one organism captures and feeds on another organism
the organic circulation of carbon from the atmosphere into organisms and back again
(medicine) the condition in which an organism can resist disease
largest number of individuals of a population that a environment can support
the process by which cells use oxygen to produce energy from food
process by which organisms maintain a relatively stable internal environment
an instinctive behavior that males and females of a species carry out before mating
A picture of all the chromosomes in a cell arranged in pairs
Pairs of cells that surround stomata and control their opening and closing.
organism that breaks down and obtains energy from dead organic matter
a substance on which an enzyme acts during a chemical reaction
Absorbs water and minerals from the ground. Anchors plant in ground.