---
title: "1 Chemical Clocks Quotes by 1 author"
description: "Browse 1 Chemical Clocks quotes by 1 author. Discover the best Chemical Clocks sayings and thoughts."
image: "https://sms4smile.com/quotes/i/82c/jessa-gamble-45545_animal_life-evolved-under-conditions-of-light-a_2193567.png"
---

> [Life evolved under conditions of light and darkness, light and then darkness. And so plants and animals developed their own internal clocks so that they would be ready for these changes in light. These are chemical clocks, and they're found…](https://sms4smile.com/quotes/jessa-gamble/life-evolved-under-conditions-of-light-and-darkness-light-and-then/)

[Jessa Gamble](https://sms4smile.com/quotes/author/jessa-gamble/)

[Image](https://sms4smile.com/quotes/i/82c/jessa-gamble-45545_animal_life-evolved-under-conditions-of-light-a_2193567.png)

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