#evolution gets crazy whenever that happens. Walruses. Stag beetles. Humans. But giraffes are my favorite | Explore Tumblr posts and blogs

inspired-lesson-plans · 7 days ago

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Do Now:

Identify the two animals in this picture.

Use a taxonomic database to research how related they are to each other. Then, in a few sentences, postulate why they are so physically different from each other.

Finally, read the long chain of thoughts on giraffe evolution that I left in the comments but I'm on mobile so I can't really copy it here.

fashionable friends

#do now #science #grades 7-9 #biology #evolution #taxonomy #camel evolution is so wild to me，maybe because I learned it so late in life #camels evolved in Canada，where their wide splayed toes allowed them to walk across the snow #then during the ice age some went into Asia and Africa and others went into South America #bear in mind that very few animal species successfully crossed from North to South America and adapted #but Llamas and Alpacas succeeded by becoming woolly camels #meanwhile ..#giraffes #what to say #their evolution is ridiculous because of rival males fighting for females #evolution gets crazy whenever that happens. Walruses. Stag beetles. Humans. But giraffes are my favorite #there's an early species of giraffe with super thick skulls and neck bones because they would ram their heads together like big horn sheep #until I guess some crazy long-neck boy won by wielding his head like a hammer instead of a lance #soon enough‚ natural selection favored long‚ whip-like necks that coincidentally allowed them to graze from high branches #many thanks to Hank Green for teaching me that

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