biosphere and energy Flashcards
what 3 things does trophic level 1 need energy for?
- heat loss
- growth
- reproduction
what 5 things does trophic level 2 need energy for?
- heat loss
- growth
- reproduction
- feed its young
- move around
what 5 things does trophic level 3 need energy for?
- heat loss
- growth
- reproduction
- feed its young
- move around
about ___% of energy is passed onto the next trophic level
10%
as the trophic level _____, the amount of energy transferred from the sun ______
increases / decreases
energy flows in ___ _____ through the _____
one direction / biosphere
energy moves into the ____ and then goes back to the ______
biosphere / environment
what does an energy pyramid show?
the amount of energy the producers and consumers contain as energy flows through the ecosystem
how does a plant obtain chemical energy?
photosynthesis– converting radiant energy into chemical energy
how does an animal obtain chemical energy?
eating other organisms
how does a plant or animal use its chemical energy?
cellular respiration
what is the reaction of photosynthesis?
carbon dioxide + water + light energy
= glucose + oxygen
what is the reaction of cellular respiration?
glucose + oxygen
= carbon dioxide + water + energy
what is a complimentary process?
the (almost) opposite processes in the cycle
