Answer:
tracheae
instead of lungs, insects breathe with a network of tiny tubes called tracheae
Is it light reaction but no that wont make sense
I think its D. but im not sure.. i might be wrong
Answer:
Sand
Explanation:
Space, water, energy, and air are all needed for an organism to survive. Sand is just somewhere an organism could accustom to live in that environment.
Answer:
All plants and animals need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use.
Explanation:
When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use.