Where Are All the Medium-Sized Dinosaurs?

Where Are All the Medium-Sized Dinosaurs?

Assessment

Interactive Video

Biology

11th Grade - University

Hard

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The video explores the fossil discoveries in Montana, focusing on the Cleveland skull and Jane, which challenge the understanding of the carnivore gap in dinosaur ecosystems. It discusses preservation bias in the fossil record and the unusual size distribution of non-avian dinosaurs. The role of juvenile T. Rex in filling ecological niches through ontogenetic niche shifting is examined, comparing their growth patterns to modern animals like Komodo Dragons. The video concludes by highlighting the significant size changes from hatchlings to adults in dinosaurs, which influenced their ecological roles.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What challenges do paleontologists face when studying small dinosaur fossils?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What role did the fossilization process play in the representation of dinosaur species in the fossil record?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the implications of the findings from the 2012 study on dinosaur size diversity.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the findings about dinosaur eggs contribute to our understanding of their growth?

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