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Elan Coil [88]
3 years ago
7

According to the fossil record, five ________________

Biology
2 answers:
Stolb23 [73]3 years ago
5 0
Mass extinctions. Dinosaurs is the most recent (?)
RideAnS [48]3 years ago
3 0

Answer:

-mass extinctions.

Explanation:

Mass extinction may be defined as the sudden decrease of species on earth. The earth has experienced five mass extinctions.

According to the study of fossil records, five major mass extinction took place in earth's  history that can be determined by identifying traces, left in fossil records.

Mass extinctions destroyed more than half species of earth and thus, lowered the variety of organisms present in today's earth.

Thus, the correct answer to fill in the blank is 'mass extinction.'

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Principle of Dominance was given by Sir Gregor Johann Mendel.

<h3><u>Explanation:</u></h3>

Principle of Dominance was given by Sir Gregor Johann Mendel as a conclusion of the monohybrid cross between the different characteristic pea plants. It says that in an organism which is heterozygous for a particular character, only the dominant trait is able to express as a phenotype, not the recessive one. In other words, the recessive allele is completely masked by the presence of the dominant allele. This leads to same phenotype of a homozygous dominant organism and a heterozygous organism.

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