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WorksheetsThe Origin of Birds
Total questions: 14
Worksheet time: 7mins
The discovery of the fossil Archaeopteryx provided evidence that birds evolved from
mammals.
True
False
Flight evolved once in the history of life - in birds.
True
False
All dinosaurs were large and slow moving.
True
False
Like birds, some dinosaurs laid eggs and cared for their young.
True
False
The skeleton of a T. rex has many similarities to the skeleton of a chicken.
True
False
The fossil record shows that some dinosaur species had feathers nearly identical to
those found on birds today.
True
False
Birds evolved feathers on wings so that they could fly.
True
False
Archaeopteryx is the direct ancestor to all living birds.
True
False
The first birds appear in the fossil record about 66 million years ago after the extinction of the dinosaurs.
True
False
Dinosaurs are alive today.
True
False
In 1859, Charles Darwin published On the Origin of Species by Means of Natural Selection. In it, Darwin hypothesized that all major groups of organisms are connected through evolution. Just two years later, an important discovery was made that supported Darwin’s hypothesis. What was it?
DNA
The microscope
The large-bodied dinosaur Apatosaurus
The transitional fossil Archaeopteryx
Which of the following best describes how Dr. Jack Horner’s discovery of dinosaur nesting grounds supported the hypothesis that birds evolved from dinosaurs?
It provided evidence that, like birds, some dinosaurs laid eggs
It provided evidence that, like birds, some dinosaurs cared for their young.
It provided evidence that, like birds, some dinosaurs migrated to reproduce
It provided evidence that, like birds, some dinosaurs huddled together for warmth.
The discovery of feathered fossil theropods such as Sinosauropteryx and Caudipteryx supported the hypothesis that feathers were not initially involved in flight.
True
False
Which of the following statements about the transition from theropods to birds is most accurate?
Like most of the great transitions in evolutionary history, it happened in a very few big steps so that there are very few intermediate forms.
Like most of the great transitions in evolutionary history, it happened in many small steps leading to many intermediate forms.
Like no other transition in evolutionary history, it happened in many steps, so there are many intermediate forms.
Like most of the great transitions in evolutionary history, it happened in a single step with no intermediate forms.
