digestion

28 05, 2017

Enzymes project – Bread and Spit – Science Activities -Biology

By |2017-05-28T17:33:50-07:00May 28th, 2017|Biology, Food|Comments Off on Enzymes project – Bread and Spit – Science Activities -Biology

A loaf of bread You can easily taste how your enzymes work breaking down your food into smaller pieces. Do this experiment right after lunch, when you'll have a lot of [...]

28 05, 2017

What is a hydra? Animal Biology and Evolution

By |2019-09-05T15:21:51-07:00May 28th, 2017|Biology|Comments Off on What is a hydra? Animal Biology and Evolution

Hydra evolution: a hydra budding new hydras Before the hydra For almost three billion years, the only living things on earth were one-celled creatures, either prokaryotes or eukaryotes. What's a prokaryote? And [...]

26 05, 2017

What does a stomach do? – Digestion and Evolution

By |2017-05-26T19:21:38-07:00May 26th, 2017|Biology|Comments Off on What does a stomach do? – Digestion and Evolution

Fish Stomach The first multi-cellular animals like hydras had no stomachs, or you could say they were all stomach, because they were shaped like a bag. Roundworms, a little later, [...]

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