energy in ecosystems Flashcards
1
Q
producer
A
consumers which must eat plants or other animals to obtain energy
2
Q
what does the arrow in food chain indicate
A
the direction of energy flow
3
Q
3 ways in which energy is lost
A
lost as heat, lost as movement, lost as undigested materials
4
Q
pyramid of numbers
A
number of each organism within each step on a food chain
5
Q
pyramid of energy
A
productivity of all organisms. numbers take irregular shape cuz diff body sizes of organisms.
