Getting to see and investigate the creatures of the past
Answer:
Cryogenian Period, second of three periods of the Neoproterozoic Era of geologic time, extending from approximately 720 million to approximately 635 million years ago. The Cryogenian Period followed the Tonian Period (which lasted from 1 billion to about 720 million years ago) and was succeeded by the Ediacaran Period (approximately 635 million to approximately 541 million years ago). The beginning of the Cryogenian Period was defined arbitrarily: that is, it corresponded to the onset of the first glacial episode to follow the date of 750 million years ago.
Answer:
Common set of genes
Explanation:
There are 6331 set of genes that have been identified to be present and common in every individual on Earth today. This points to the fact there in one common ancestor through which all human beings have been descent. He/ She existed about 650 mya in Pre-Cambrian Era...
Answer:
Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere.