Human Embryos Have Webbing Between Their Fingers and Toes,but Genes

question 50

Short Answer

Human embryos have webbing between their fingers and toes,but genes turn on during development that cause this webbing to dissolve before birth.Tiktaalik and other early amphibians had lobed fins or limbs.This evidence supports the hypothesis that humans and amphibians had a ________ in fish.

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Definitions:

Newborn Sleep

The period of rest and sleep patterns exhibited by newborns, which is crucial for their growth and development.

Awake Hours

The periods during a 24-hour day when an individual is not asleep, often spent working, studying, or engaging in activities.

Normal Amount

A standard or usual quantity or degree of something, determined by statistical, contextual, or average measures.

First Week

Refers to the initial seven days after birth, focusing on the critical adjustments and rapid developmental changes occurring in a newborn.