<span>The horizontal line present across the front teeth are called perikymata. These are incremental growth lines that appear on the surface of tooth enamel as a series of linear grooves. These lines can be used to assess how long the crown of the teeth formed. </span>
Answer: C
Explanation: Cells reproduce and divide through a process called mitosis
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Answer:
Explanation:
The parents phenotypes are
TTff x TtFf
The f1 genotype will be
TTFf, TTff, TtFf, Ttff
The phenotypic ratio of tall and orange colored is 4/8= ½
The phenotypic ratio for tall and white is 4/8= ½
The genotypic ratio for each is ¼
Answer:
Pseudoscience
Explanation:
Phrenology according is the study of bumps on the head to predict a person's personality or behavior.
It is regarded as a pseudoscience because science involves having experiments and laws which can be replicated in any part of the world.
However Phrenology was regarded as a pseudoscience and rejected after scientists failed to replicate Gall's claims, and 200 years of subsequent neuroscience has shown phrenology to be false.
