Reading...
Play button
Play button
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;
4 Cards in this Set
- Front
- Back
|
How does energy disappear?
|
Green plants and algae use energy in photosynthesis to make food which they store in cells. Energy is then lost as animals eat plants and other animals.
|
|
|
What is the second way energy is lost?
|
Respiration releases energy for all life processes, this is then lost as heat. Energy is also lost in waste materials.
|
|
|
How are materials returned to the environment?
|
When waste products or dead organisms decay.
|
|
|
What is the process of decaying?
|
Materials break down by microorganisms in warm moist conditions maybe in compost bins.
|
