When respiration occurs within cells, carbon dioxide is released as waste. Which system transports carbon dioxide for removal from the body? A.
digestive system
B.
excretory system
C.
cardiovascular system
D.
immune system

How do chloroplasts set plants apart from other living things

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.

All eukaryotic cells contain small bodies called