---
title: "1 Animals Developed Quotes By Jessa Gamble"
description: "1 Animals Developed quotes by Jessa Gamble. Plus more from Jessa Gamble and more Animals Developed sayings from other authors."
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)

## More by Jessa Gamble

> [We can't feel the rotation of the planet, but in some ways we can because our bodily systems are reacting to it and have…](https://sms4smile.com/quotes/jessa-gamble/we-can-t-feel-the-rotation-of-the-planet-but-in-some-ways-we-can/)

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

> [What people who are doing shift work or managing shift workers or deciding to put people on shift schedules to begin with should realize…](https://sms4smile.com/quotes/jessa-gamble/what-people-who-are-doing-shift-work-or-managing-shift-workers-or/)

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

> [The culture of the U.S. military is such that human enhancement is accepted as a goal, taking people beyond the norm. There are so…](https://sms4smile.com/quotes/jessa-gamble/the-culture-of-the-u-s-military-is-such-that-human-enhancement-is/)

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

> [Before the advent of artificial light, we had 13, 14 hours in bed every night... and so what we experience now is about a…](https://sms4smile.com/quotes/jessa-gamble/before-the-advent-of-artificial-light-we-had-13-14-hours-in-bed-every/)

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

> [I'm someone who needs more sleep than average, and I'm quite jealous of people who need only five or six hours and they're good…](https://sms4smile.com/quotes/jessa-gamble/i-m-someone-who-needs-more-sleep-than-average-and-i-m-quite-jealous/)

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

> [Life evolved under conditions of light and darkness, light and then darkness. And so plants and animals developed their own internal clocks so that…](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/)

> [Why would you have a work day that does not respond to shorter or longer day length? There's something that we lose, taking our…](https://sms4smile.com/quotes/jessa-gamble/why-would-you-have-a-work-day-that-does-not-respond-to-shorter-or/)

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

> [Human enhancement is now being driven by military imperatives, at least in the US, because civilian society is more conservative in its approach. It’s…](https://sms4smile.com/quotes/jessa-gamble/human-enhancement-is-now-being-driven-by-military-imperatives-at/)

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

> [Being unconscious is the ultimate disability.](https://sms4smile.com/quotes/jessa-gamble/being-unconscious-is-the-ultimate-disability/)

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

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