T5L6 GPP/NPP Flashcards
1
Q
Define autotroph
A
Producer
2
Q
Define decomposer
A
organism that breaks down organic matter through respiration
3
Q
Define detritivore
A
Organisms that feed on dead organic matter especially plant detritus
4
Q
Define heterotroph
A
CONSUMER
5
Q
Define SAROPHYTE
A
organisms that live on decaying organic matter
6
Q
Where is energy lost in plants
A
- evaporating water
- energy reflected from leaf
some light transmitted through leaves or wrong wavelength
7
Q
Where is energy lost in animals
A
respiration and movement
not all their food is eaten
cellulose is hard to digest
nitrogenous waste
8
Q
Define GP
A
Amount of energy taken in by a trophic level
9
Q
Units of GPP
A
kJm2y
10
Q
Define N(P)P
A
Amount of energy passed on to next trophic level
11
Q
DEFINE GPP
A
Energy fixed by producers in photosynthesis
12
Q
What is the GPP/NPP equation
A
NPP = GPP - respiratory loss
13
Q
A
