Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Where is carbon dioxide? |
The atmosphere |
|
|
How does it enter the cycle? |
During photosynthesis |
|
|
How does it returns to the atmosphere? |
During respiration |
|
|
Step 1 of the carbon cycle |
In photosynthesis, plants and algae absorb carbon and use it to make carbohydrates, fats and proteins |
|
|
Step 2 |
Some of the carbon is released back into the atmosphere during respiration at night |
|
|
Step 3 |
The plants and algae are eaten by animals which also respire |
|
|
Step 4 |
When the animals/ plants die the carbon is in the dead remains |
|
|
Step 5 |
Detritus feeders eat the decomposing remains, they respire which starts the process all over again |
|
|
What's the problem with humans and the carbon cycle? |
Humans are adding large quantities of carbon dioxide into the atmosphere through combustion of wood and fossil fuels |
