trophic levels and 10% rule

horrible

1st law of thermodynamics

energy is never created or destroyed

biochem. cycles demonstrate…

conservation of matter

food webs demonstrate…

conservation of energy

2nd law of thermodynamics

each time energy is transferred, some is lost to heat

troph def

nourishment or growth

10% rule

in trophic pyramids, only 10% of energy from one level makes it to the next, other 90% is lost as heat

tertiary consumers

animals that eat secondary consumers or carnivores and omnivores (aka-top and apex predators)

secondary consumers

animals that eat primary consumers or herbivores (carnivores and omnivores)

primary consumers

animals that eat plants

producers

really convert suns light energy into chemical energy (glucose)