The growth of plants and formation of land mammals characterized the paleozoic era.
Answer:
The big cause in the extinction of many terrestrial vertebrates species is the hunting while the second cause is the habitat change. ... Hence if the habitat change, they are unable to survive and their population size will decrease.
Explanation:
Endomembrane system include: the nuclear membrane, the endoplasmic reticulum, theGolgi apparatus, lysosomes, vesicles,endosomes and the cell membrane.
The HS is stripped from each O