Answer: C
Explanation: Fossil Fuels are the main cause of climate change
The right answer is A. Skin cells forming from sunlight.
The liver is an organ endowed with a fantastic ability to regenerate
. Thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.
Prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.
Ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.
Answer: phagocytosis; lysosomes
Collar cells in the sponge digest food through phagocytosis or by using enzymes that come from the lysosomes. Bacteria are among the elements that are broken down by phagocytosis with the help of some specific enzymes found in lysosomes.