WebbDirections: Write the division and period of the listed organism below. Refer to geological time scale. 1. first vascular land plants Era Period 2. jawed fish diversity 3. evolution of humans 4. first chordates 5. mammals diversify 6. first primates 7. dinosaurs’. Webb12 jan. 2024 · Era Period 1. first vascular land plants 2. jawed fish diversity 3. evolution of humans 4. first chordates 5. mammals diversify 6. first primates 7. dinosaurs' diversity 8. major extinctions of reptiles' diversity 9. sudden diversification of metazoan families 10. first flowering plants Directions.
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WebbTriassic period: 248 to 213 million years ago. Jurassic period: 213 to 144 million years ago. Cretaceous period: 144 to 65 million years ago. Dinosaurs and other archosaurs (which … Webb14 apr. 2024 · The combination of small size, reduced number of skull bones and feeding on new food sources, such as insects, allowed the ancestors of modern mammals to prosper while dinosaurs roamed the Earth. However, it was not until dinosaurs became extinct at the end of the Cretaceous period 66 million years ago, that mammals had the … design lights stained glass
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Webb20 juni 2024 · As a result, mammals and their kin remained tiny, mouse-like and primitive. The myth posits that mammals didn’t evolve diverse shapes, diets, behaviors and … Webb27 dec. 2024 · The origin of the dinosaurs is placed in the Triassic period, the oldest of the Mesozoic Era, which began 230 million years ago and lasted 50 million years more. In … WebbScientists theorize that there were a number of reasons for the emergence of dinosaurs in the Late Triassic period. One reason was that dinosaurs evolved to become biologically superior. For example, they developed an erect posture, with bipedal (two-footed) motion. This gave them a longer stride and quickness, enabling them to catch and devour ... designlights consortium