Heterotrophic organisms receive their energy directly from the sun. true false

Which blood cell spend most of their time in the lymphatic system?

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Wich organism obtains its energy from dead or decaying matter