Animals
Scientists Say: Megalodon
The extinct megalodon (Otodus megalodon) was the largest shark to ever prowl the oceans.
MS-LS4-3
Analyze displays of pictorial data to compare patterns of similarities in the embryological development across multiple species to identify relationships not evident in the fully formed anatomy.
More Stories in MS-LS4-3
- Genetics
Scientists Say: Evolution
Evolution is how species change over time. Individuals in the group vary, and some will pass on their genes. Over time, the whole species changes.
- Fossils
Early dinosaurs may have laid soft-shelled eggs
Scientists for the first time have turned up evidence of fossils from soft-shelled dinosaur eggs. This has scientists rethinking how dinosaur eggs evolved.
- Health & Medicine
Immune arms-race in bats may make their viruses deadly to people
An overactive immune system may help bats avoid being sickened by many viruses. This may viruses becoming stronger — and deadlier — when they hit other species.
- Animals
Why are bird eggs in cold climates darker colored?
A global survey of bird egg color has revealed a simple trend: the colder the climate, the darker the egg.
- Fossils
Dinosaur Eggs-citement
Scientists have found dinosaur eggs, with their shells on, inside a female dino fossil.
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