1-8: a,b,c or d Question 1 1 pts Which of the following statements about dinosau

Question

1-8: a,b,c or d

Question 1 1 pts Which of the following statements about dinosaurs is FALSE? O A) One dinosaur lineage gave rise to the birds of the modern world. O B) Dinosaurs were cold-blooded C) Some dinosaurs had feathers. O D) All of the above statements are FALSE. Question2 1 pts This reef-building, bivalve mollusk of the Cretaceous died out in the same mass extinction event that killed the dinosaurs: A) Crinoids. ? B) Mosasaurs. O C) Rudisitids. O D)Teleosts. Question 3 1 pts This type of ray-finned fish comprises most of the fish alive today: O A) Crinoids. B) Mosasaurs. O C) Rudisitids. D) Teleosts

Explanation / Answer

1)Dinosaur were first referred to as cold blooded animals but recent study have proven that they were warm blooded.As warm-blooded dinosaur would have controlled their body temperature were equipped with a quicker metabolism.

2)Mosasaurs’s food chain were affected and became extinct or suffered heavy losses because of lack ammonites that were the principal food for them.

3)Teleost member extremely diverse group of ray-finned fishes. It is in the major subdivisions of the class Actinopterygii.

4)Late Permian Extinction event didn’t caused dinosaurs as Many animals did survive this extinction event. For example, sharks and the reptiles that then went on to evolve into dinosaurs they survived.

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