Answer:
The endosymbiotic theory explains the origins of eukaryotic cells.
Explanation:
Answer:
A. The nervous system collects and responds to information about
the internal and external environment.
Explanation:
Answer: B. Genetically identical offspring
Explanation:
Answer:
after nutrients are absorbed during digestion,the excretory system removes faeces through the rectum. these work together to maintain oxygen homeostasis.