4.1 Flashcards
1
Q
Ecosystem
A
all the living and non living things in a community
2
Q
Ecological pyramid
A
show tropic levels of # of organisms, energy, or biomass
3
Q
What happens during energy transfer?
A
energy is lost between levels of the food chain
4
Q
what is energy lost as?
A
energy is lost through the cost of living. It is lost as heat.
5
Q
How much of energy transferred from one tropic level to the next is available to use?
A
an average of 10%.
6
Q
biomass
A
a way to measure energy in living things
7
Q
cellular respiration
A
the process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions. (35% of energy is lost)
8
Q
Photosythesis
A
light is converted to chemical energy
9
Q
How much energy is lost as waste?
A
53%
