definitions Flashcards
define adaptation
a characteristic organisms have to survive in their habitat.
define habitat
a place where organisms live.
define population
the number of a certain species living in a specific area.
define mimicry
when one species of animal resembles another species that has easily recognisable characteristics
define food chain
the transfer of energy from one organism to another
define food web
many food chains interlocking with one another.
define environment
all conditions that surround a living organism
define ecosystem
a community and the habitat in which organisms live
define extremophiles
an organism that live in extreme environments
define ‘extreme environments’
an environment that most organisms find hard/impossible to survive in.
define trophic level
the position of an organism in a food chain
define transpiration
the water flow through a plant
define hydroponics
growing plants in water rather than soil
define decomposers
breaks down wastes of dead plants and animals. as they break down the waste, decomposers return minerals to the soil, then plants absorb the minerals building new biomass