Share B2.2 Respiration and Photosynthesis (Y8)
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which is the correct equation for photosynthesis?
glucose + oxygen --> lactic acid
carbon dioxide + water --> glucose + oxygen
carbon dioxide + glucose --> water + oxygen
glucose + oxygen --> water + carbon dioxide
what is the equation for aerobic respiration?
glucose + oxygen --> carbon dioxide + water
what is the equation for anaerobic respiration?
glucose --> lactic acid
what does lactic acid do to muscles?
muscle cramping
why do you breath heavily after intense exercise?
to get oxygen into your body to break down lactic acid
what is the main difference between aerobic and anaerobic exercise?
aerobic = uses oxygen
what is a lifestyle risk factor?
something someone does that may increase their chance of disease
why is respiration needed?
to RELEASE energy the body needs for movement
does photosynthesis happen at night, and why?
no - there is no light energy
what are stomata?
where gases are exchanged in a leaf (palisade) cell
why do stomata close at high temperatures?
to reduce water loss
what is a biome?
an ecosystem with a distinct community of organisms
what is a photoautotroph?
plants that make their own food (glucose) using photosynthesis
what is a biodome?
a self-contained and self-sufficient ecosystem
what does it mean if organisms are interdependent?
they rely on each other for survival
in a biome, what does a fish rely on a plant for?
oxygen for respiration
