1 Food Chains Flashcards
habitat
where an organism lives
population
all the organisms of one species in one ecosystem
community
all the organisms in an ecosystem
ecosystem
all the organisms in an area and the non living components with which they interact or habitat + community
abiotic factors
non living factors which affect biodiversity e.g. temperature, pH, light intensity, soil moisture
biotic factors
living factors which affect biodiversity e.g. grazing, predation
biome
region of our planet distinguished by their similar climate, plants and animals e.g. freshwater, desert
niche
role that an organism plays in a community e.g. predator
adaptation
inherited characteristic that makes an organism suited to survive in its environment
competition
where plants or animals need or are trying to get the same resources
light and water
2 things which plants compete for
food, mates, habitat
3 things which animals compete for
parasite
an organism which lives on or in another organism getting energy from it and harming it e.g. flea, tapeworm
food chain
diagram which shows energy flow between organisms
energy flow
what arrows in a food chain show