Biology Vocabulary Word Flash Cards
Our flash cards are a great way of testing if you've learned the meanings of the words in this section. Look at the words below and see if you can remember what each of them means.
If you get stuck, press "mnemonic" to show an image that should help you remember.
To check if you're right, or remind you if you've forgotten, press the card to flip it.
Go through the whole list to see how many word definitions you can recall. Practise until you're confident you can recall all of them.
Back to list
Competition (biology)
the fight for resources in limited supply between organisms
Mnemonic
Food chain
sequence of feeding in an ecosystem
Mnemonic
Food web
a network of interconnected food chains
Mnemonic
Consumer
a living creature that gets energy by eating other organisms
Mnemonic
Producer
an organism which makes its own food, usually through photosynthesis
Mnemonic
Trophic level
a stage within a food chain or food web
Mnemonic
Co-evolution
when two or more different species affect the evolution of each other
Mnemonic
Symbiosis (biology)
close interaction between two different species
Mnemonic
Mutualism
relationship where both species benefit
Mnemonic
Commensalism
relationship where one species benefits but the other is unaffected
Mnemonic
Energy flow
the movement of energy through organisms within an ecosystem
Mnemonic
Niche (biology)
the unique position an organism has within an ecosystem
Mnemonic
Limiting factors
something that can prevent/restrict population growth
Mnemonic
Biotic
relative to living organisms
Mnemonic
Abiotic
relating to things in the environment that are non-living
Mnemonic
Biodiversity
the variety of different organisms on earth or in a particular habitat
Mnemonic
Biomass (Biology)
the total weight of organisms in a given area
Mnemonic
Biosphere
all regions on earth where life exists
Mnemonic
Reproduction rate (birth rate)
the number of live births per 1000 of a population over a period of time
Mnemonic
