You turn the thermostat up
You grow hair to insulate your head
You cozy up under a blanket with a warm cup of hot chocolate
You put on your coat
Moths can choose to change color if they want to.
Moths usually move away from areas with pollution.
The trees changed colors to prevent moths from resting on them.
Natural selection was responsible for the change in color of the population of moths.
They were stupid and ugly animals.
They had different shaped shells which seemed to be based on the available food found on each island.
Predators were killing them by the thousands.
They would dive into the ocean to find food.
A Viceroy Butterfly looks like a Monarch, so Blue Jays are less likely to eat them.
A Snowshoe Hare changes its fur color from brown to white to blend in with the snow during the winter.
Blue-footed Boobies do a dance to attract mates.
A Spotted Salamander has bright yellow spots to warn predators that it is toxic.
“I have spent a long time figuring this out.”
"What we all used to think was wrong.”
"Because life is a struggle, organisms are changed by natural selection.”
"From a simple start, organisms have continued to change.”
"Great place to vacation… don’t try the tortoise bladders, the liquid is really really bitter!”
"Ugh, don’t go there. It is hot and dry. I would only recommend that place to someone who would like to vacation in a stove.”
"Oooh, I am sooo jealous. I went there once, and I would love to go back there again!”
"Sweet trip, dude. You are going to love the Iguanas. They’re pretty and smart, and just plain awesome. You’ll be so stoked.”
Whale hip bones.
Embryos of fish and birds both make gill slits.
Mice and chicken differ by only 25 amino acids when they make hemoglobin protein.
Rabbits and birds have the same bones in the same order in their forelimbs, even though they use them for different purposes.