BIIO Flashcards
What is a species
A species is a group of organisms able to interbreed and produce fertile offspring.
niche
A niche is the role that an organism plays in its community.
speceiaton
part of a population becomes isolated by an isolation barrier. (geographical)
different mutations occur in each sub population.
natural seletcion occurs due to selection pressures. each mutation evolves until they become genectically different.
indicator species
their presence or behaviour tells us how clean or polluted their environment is
second stage of photo synthisis
Carbon fixation. carbon fixation is a series of enzyme controlled reactions, which use hydrogen and ATP (produced by the light reactions) with carbon dioxide to produce sugar.
Abiotic factor
this is An abiotic factor is a non-living part of an ecosystem that shapes its environment.
Representative samples
you cant block the light meter with ur body shadow or else it will give inaccurate results.