ecology yr7 Flashcards
Environmental (abiotic) factors
non-living factors in the environment .e.g. temperature
Living (Biotic) Factors
living factors in the environment e.g. predators or prey
organism
any plant or living thing or animal
ecology
the study of the interaction between organisms and the environment
ecosystem
all the organisms living in the same area AND their non living environment
producer
an organism that gets its energy from the sun
consumer
an organism that gets its energy from eating other organisms
decomposer
an organism that gets its energy from breaking down dead organisms
carnivore
a type of consumer that only eats other animals
herbivore
a type of consumer that only eats plants
omnivore
a type of consumer that only eats both plants and animals
predator - prey
when one organism feeds another organism
competition
the struggle between organisms to survive in a habitat with limited organisms
food web
a network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
species
a group of similar organisms that can breed and produce fertile offspring
resource
any necessity of life, such as water, nutrients, light, food, or space
Adaptation
inherited characteristics that increases an organism’s change of survival
food chain
a series of steps in which one organism eats another and obtain energy
invertebrate
an animal without a backbone (e.g. worm)
vertebrate
an animal with a backbone
invertebrate groups
molluscs
flatworms
round worms
segmented worms
arthropods
sponges
echinoderms
cnidarians
vertebrate groups
fish
amphibians
reptiles
birds
mammals
habitat
place where an organism lives
environment
the surroundings and conditions in which an organism lives
