ecology Flashcards
(23 cards)
ecology
study of homes
species
group of living organisms consisting of similar individuals capable of successfully exchanging genes or interbreeding
population
group of individuals of the same species that live in the same ecosystem at the same time
communities
different populations that interact with eachother in the same community
ecosystems
all the living and non living things in an environment and different ways they interact with each other.
biosphere
hydroshpere,lithosphere and atmoshpere
biotic
living
abiotic
non living
niche
role of living thing in ecosystem
symbiosis
organisms that depend on each other
mutualism
both parties benefit from relationship
commensalism
one party benefits
parasitism
one party benefits, the other does not
7 life processes
move, breath, reproduce, excrete, eat, grow, sensitivity (MRS GREN)
what factors can upset a balanced ecosystem?
natural factors- floods, draught, temperature changes
human factors- agriculture, urbanisation and indistrialisation, poaching, deforestation
biodiversity
variety of different ecosystems
benefits of biodiversity
possible medicines, eco tourism, food sources, aesthetic reasons
adaptations
changes in the body to fit an environment or ecosystem
adaptations of camel
two rows of eyelashes, fat stores in humps, nostrils can be closed
conservation
aim of protecting a species, habitat and ecosystem from extinction
how?
control alien vegetation, preserve wetlands, reduce, reuse, recycle, ise ekectricity and water sparingly
independent variable
variable that is changed to effect the dependsnt variable (what we are testing)
dependant variable
what is being measured, what is changing or what we are observing
