S2 Biodiversity and Photosynthesis Flashcards
Biodiversity is…
Biodiversity is the variety of species
A habitat is…
A habitat is where a species lives
Biotic factors are…
Biotic factors are living things that can affect a species
4 biotic factors are…
Competition, predation, disease, grazing
Abiotic factors are…
Abiotic factors are non-living things that can affect a species
4 abiotic factors are…
Temperature, pH, moisture level, light intensity
To sample plants and slow moving animals we would use…
To sample plants and slow moving animals we would use a quadrat
When using a quadrat, we must be careful to…
- throw it at random
- count the number of squares a species is in, not the number of times a species appears
To sample insects we can use…
To sample insects we can use a pitfall trap
When using a pitfall trap, we must be careful to…
- make sure the opening is level with the ground
- camouflage the pitfall trap
The chemical reaction plants use to make their own food is…
The chemical reaction plants use to make their own food is photosynthesis
The word equation for photosynthesis is…
water + carbon dioxide —> glucose and oxygen
Above and below the arrow should be ‘chlorophyll’ and ‘sunlight’
The reactants in photosynthesis are…
The reactants in photosynthesis are carbon dioxide and water
The products of photosynthesis are…
The products of photosynthesis are oxygen and glucose
Plants get water via…
Plants get water via roots in the soil
