Energy Transfers In Eco Systems Flashcards
1
Q
Define an eco system
A
Biotic organisms living in an area with abiotic factors
2
Q
Define biomass in animals
A
The mass of living material
3
Q
Define biomass in plants
A
The chemical energy stored in the plant
4
Q
Describe calorimetry
A
The estimation of chemical energy stored in biomass by burning it in a calorometer
5
Q
Define gross primary production
A
The total amount of chemical energy converted by plants in a given area and time
6
Q
What are the roles of glucose
A
- storage of energy
- used to make components of biological molecules
7
Q
How is energy transferred between organisms
A
Via food chains within an ecosystem
8
Q
How can biodiversity be measured
A
By the mass of carbon dioxide an organism contains
9
Q
Outline the process of measuring biodiversity
A
- Organism is weighed at intervals throughout the day
- Constant measurement indicated removal of water
- Carbon dioxide is estimated at 50% of an organisms dry mass
- You scale this to the population to estimate biomass of total population
10
Q
Define dry mass
A
Mass of an organism with the water removed
