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1. What animals dominated the Mesozoic Era?
A. dinosaurs
B. fish
C. mammals
D. amphibians

2. One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of _____.
A. dinosaurs
B. birds
C. mammals
D. cephalopods

3. What likely contributed to the extinction that marks the end of the Mesozoic Era?
A. global warming
B. a meteorite collision
C. an ice age
D. none of the above

Respuesta :

GeoPanther
The answers are:

A. dinosaurs
- Dinosaurs were the dominant life form during the Mesozoic Era, they came in in all shapes and sizes, from little chicken-sized raptors to giant herbivorous creatures. In general, they were split into two groups, which roughly corresponds with the way of movement, bipedal or fourlegged.
B. birds
- The Archaeopteryx was the so-called missing link in the bird's evolution, once this creature was discovered the things became much clearer. It is a perfect creature that is like a crossbreed of a little raptor and a bird.
B. a meteorite collision
- Around 65 million years ago a big meteorite hit the Earth, right of the eastern coast of Mexico, near Yucatan, and it managed to release an enormous amount of force and also trigger much of the volcanoes that caused a global climate change in just a few days that exterminated the dinosaurs.
  1. Dinosaurs are the animals among the choices given that dominated the Mesozoic Era. (A).
  2. One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of birds. (B)
  3. A meteorite collision is the one fact that likely contributed to the extinction that marks the end of the Mesozoic Era. (B).

Further Explanations:

1. Dinosaurs were among the dominant species throughout the “Mesozoic Era”.They evolved in all shapes forms and dimensions, from little sized raptors to gigantic herbivorous. Overall they were characterized into two classified groups corresponding the way of their movement, bipedal or four-legged.

2. The Archaeopteryx was among the missing link in the birdie's evolution. Once these creatures were exposed, things became much indistinct. They were perfect species like a hybrid of a diminutive raptor.

3. A big meteorite is believed to hit Earth 65 million years ago, on the eastern coast of Mexico, Yucatan. The strike managed to release an enormous amount of heat that triggered most of the volcanoes. The eruption altered the global climate and this also taken as one of the reasons behind the extinction of dinosaurs.

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Answer Details

Grade: High School

Subject: Geography

Chapter: Mesozoic Era

Keywords:

Mesozoic Era, Dinosaurs, forms, dimensions, raptors, gigantic, herbivorous, bipedal, four-legged, Archaeopteryx, birdie's evolution, diminutive raptor, meteorite, Mexico, Yucatan, volcanoes, global climate

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