Answer:
D. when each chromosome is duplicated
Answer:
the answer is D because technology is what technicians work on
a model that shows the flow of energy from plant to animal and from animal to animal
Food Pyramid
a model that shows the loss of energy from one trophic level to another; often called an ecological pyramid
Food Web
a model of the feeding relationships within an ecosystem; formed from interconnected food chains
Producers
organisms that make their own food (in the form of carbohydrates)
The system on which you breath.
Flat, poorly drained land