►This site was originally created for my kids and their cousins, because we did science together. We eventually added more friends and I ended up having science classes for five years. I am no longer adding to the site (since 2014), but will leave it up for others' use. I do post to facebook occasionally if I come across something to share. =)

►Please accept my apology for any broken links or videos that do not work. I am always disappointed when people take down their videos from YouTube. It makes it hard to find just the right replacement. And because the videos were posted years ago, I usually have no recollection of what the video was about.
I kept thinking I would have time after my kids graduated, but life has filled up my free time with new responsibilities. =)

►Please do not email, asking me to post your website link, or to review something to put on my site. Any resources posted on this site are things I had found on my own during my regular searching for material I needed at the time, and liked it well enough to post here. There have never been any affiliates on my site, and as it is no longer active, would not be worthwhile at this point. ;)
Thank you!

Apologia Biology, Module 16, Reptiles, Birds, and Mammals

M16 Recap blog post at Sahm-I-Am
Quizlet Vocabulary Game, M16

Not my favorite post of the year -- seems a little dull. (sorry!) But there's just not a lot of videos to be found without evolution in them! And very few that are really informative that have anything to do w/ this module.
Also, it's a pretty basic module I think. The second half of Biology is definitely easier than the first!  Yay! =D

(1) p. 495-498a, Class Reptilia
Reptiles and Amphibians, Part 1
Reptiles are ectothermic because they are cold-blooded.  They must warm themselves from the outside (by the sun, usually).  Ecto- means outer, thermic means heat.

►More if you want it:  Part 2, Part 3

(2) p. 499, Order Rhynchocephalia
A tuatara with its "third eye" atop its head.

(3) p. 499c-503, Order Squamata
Squamates - lizards and snakes

(4) p. 503-504a, Order Testudines
Learn the differences between turtles and tortoises.

(5) p. 504, Order Crocodilia
► Crocodiles vs. Alligators.  What is the difference?
Crocodiles:  V-shaped snout, thinner than an alligators, most/all teeth show when mouth is closed.
Alligators:  U-shaped snout, thicker than a crocodiles, only front teeth show when mouth is closed.
►More about alligators at Answers in Genesis

(6) p. 505-507, Dinosaurs

► More about dinosaurs at Answers in Genesis (FF up to 1:45)

(7) p. 507-509, Class Aves (AY-vees)
Think of aviation to help you remember how to pronounce aves.  =)
How wings work:

Bird Flight animation

►Usually in the spring at Norfolk Botanical Gardens, there is a live web feed of Eagles and Eaglets.  Watch a couple of videos and read more at Sahm-I-Am.
►Not for the faint of heart -- Atlas of Avian diseases; study bird embryos.

Experiment 16.1, Bird Embryology

(8) p. 520-526, Class Mammalia

"What separates us from the rest of the mammals...?"
We are made in the image of God!  =)

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