Photosynthesis Flashcards
1
Q
What is energy?
A
The ability to do work
2
Q
What is energy measured in?
A
Joules
3
Q
State the conservation of energy theory
A
Energy cannot be created or destroyed
it can only be transferred from 1 energy store to another
4
Q
What is the ultimate source of energy?
A
The sun
5
Q
What is meant by an autotroph?
A
Organisms that are capable of transferring energy on their own
6
Q
What are the 2 types of energy producers / autotrophs?
A
- Photosynthetic autotrophs
- chemosynthetic autotrophs
7
Q
Examples of photosynthetic autotrophs ?
A
- plants
- algae
- some bacteria
8
Q
What do photosynthetic autotrophs do ?
A
- convert light energy into chemical energy
9
Q
What do chemosynthetic autotrophs do ?
A
- these transfer energy from chemicals such as sulfur or ammonia
10
Q
What is an example of chemosynthetic autotrophs?
A
Mostly Bacteria
11
Q
What are all other organisms considered to be?
A
- Consumers
Or - heterotrophs
12
Q
Why do we call all other organisms heterotrophs ?
A
- Because they have to transfer their energy from other living things.
