Answer: net primary productivity is the amount of energy lost through respiration by producers SUBTRACTED From the gross primary productivity of an ecosystem
Answer:
Autotrophs are the organisms which have ability make their own food using various sources of energy. Examples are can green plants and algae such as <em>Spirogyra, Chlorella, Volvox</em> make their food using sunlight carbon dioxide and water. they are photoautotrophs
Some bacteria are also make their food using chemical energy through oxidation. They are chemoautotrophs.
Answer:Margulis
She is the one who discovered it
The term used to describe the number of individuals moving into a population is Immigration.
Before cells could be seen by using a microscope, people believed that diseases were caused by spiritual effects.