The Earliest Microbial Fossils That Have Been Found Are Dated

question 73

True/False

The earliest microbial fossils that have been found are dated from approximately 4.5 million years ago.

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Definitions:

Ovulation

The phase in a female's menstrual cycle when a mature egg is released from the ovary into the fallopian tube for potential fertilization.

Genetic Material

The molecules (DNA or RNA) that store and transmit hereditary information from one generation to the next in all living organisms.

Chromosomes

Threadlike structures in the nucleus of cells made of DNA and protein that carry genetic information in the form of genes.

Fertilized Ovum

The result of a sperm cell joining with an egg cell, marking the beginning of pregnancy.