Birds Evolved from Dinosaurs

Question 1

Which sentence correctly states how scientists explain the origin of the birds we see today?

Accepted Answer

Birds are the living descendants of tiny, feather‑covered, meat‑eating dinosaurs.

Answer

Birds evolved from giant, long‑necked herbivorous dinosaurs that lived long before any birds.

Answer

Birds are a completely separate group that never shared ancestors with any dinosaurs.

Answer

Birds first appeared as sea‑dwelling reptiles that later grew feathers.

Question 2

A museum exhibit shows three fossils: Fossil A is a gigantic, long‑necked dinosaur with no feathers; Fossil B is a tiny, feathered meat‑eating dinosaur that has a wishbone and three‑fingered hands; Fossil C is a living robin. Based on these fossils, which of the following is the most accurate explanation of how today’s birds originated?

Accepted Answer

Birds are most closely related to the tiny, feathered meat‑eating dinosaur, which shares features like a wishbone and feathers.

Answer

Birds evolved separately from reptiles and are not connected to any dinosaur fossils.

Answer

Birds descended from a combination of both the gigantic dinosaur and the tiny meat‑eating dinosaur.

Answer

Birds came from the gigantic, long‑necked dinosaur because it lived at the same time as the robin.

Question 3

Which statement correctly explains how modern birds are related to dinosaurs?

Accepted Answer

Modern birds evolved from small, feathered theropod dinosaurs.

Answer

Modern birds are not related to dinosaurs; they appeared on their own.

Answer

Modern birds evolved from ancient reptiles that were not dinosaurs.

Answer

Modern birds evolved from large herbivorous dinosaurs such as Triceratops.

Try three questions

Which sentence correctly states how scientists explain the origin of the birds we see today?

Which statement correctly explains how modern birds are related to dinosaurs?

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