B7 Practice Questions 10.5 – Archaeopteryx und lebende Fossilien – Biologie · Chemie · Medien

Welcome to your B7 Practice Questions 10.5 – Archaeopteryx und lebende Fossilien

1.

The name "Archaeopteryx" means "old ".

2.

Many finds of early birds that still show dinosaur features are seen as evidence that birds developed from a class of .

3.

Why can scientists today no longer be fully certain that Archaeopteryx is a direct link between dinosaurs and birds?

Because feathers and a fused wishbone have also been found in some dinosaurs that are clearly not related to birds

Because no complete Archaeopteryx skeleton has ever been found

Because Archaeopteryx lived millions of years after the first birds

4.

While its skeleton closely resembled that of dinosaurs, Archaeopteryx's plumage and its collarbones fused into a wishbone were regarded as typical bird features.

True

False

5.

Where and when was the Archaeopteryx fossil discovered?

In a quarry in southern Germany in early summer 1861

In a cave in Greenland in 1861

In a riverbed in East Asia in 1918

6.

Because it combined features of two different animal groups, Archaeopteryx was long described as a between dinosaurs and today's birds.

7.

Mosaic forms are transitional forms that combine features otherwise only found separately in different of animals.

8.

The platypus has reptile-like features, such as soft-shelled eggs, as well as typical mammal features, such as fur and milk glands.

True

False

9.

Research from 2018 proved beyond doubt that Archaeopteryx was able to fly long distances just like modern birds.

True

False

10.

Which animal has a duck-like beak and fur, lays eggs, and nurses its young with milk?

The platypus

The Nautilus

The tuatara

11.

The Ginkgo tree was widespread during the Mesozoic era, but today it grows naturally only in .

12.

The Nautilus, which is still alive today, has a shell remarkably similar to that of the ammonites, which have been considered extinct since the Cretaceous period.

True

False

13.

Whether Archaeopteryx could really fly using its feathers and wing beats is a question still discussed today.

14.

What is meant by a "living fossil"?

A living species that has hardly changed since it appeared in earlier geological ages

A fossil that has recently come back to life

A fossil made entirely of still-living bacteria

15.

The tuatara already existed at the time of the first dinosaurs and today survives mainly on islands off .

16.

Ichthyostega, one of the first land vertebrates, had fish-like scales but already had lungs and instead of fins.