Changes Over Time Part 1: Question Preview (ID: 22854)

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Which of the following is considered a scientific theory?
a) evolution
b) fossil record
c) overproduction
d) radioactive dating

Radioactive dating of fossils depends on the decay of
a) buried DNA.
b) dead organisms.
c) extinct species.
d) radioactive elements.

A species is a group of similar organisms that can
a) adapt to new environmental conditions.
b) mate and produce fertile offspring.
c) overproduce helpful traits.
d) successfully compete against other species.

One of the main ways by which new species form is through
a) genetic similarities.
b) geographic isolation.
c) gradualism.
d) movement between islands.

Most fossils form when they become buried in
a) leaves, stems, and roots.
b) molds.
c) radioactive elements.
d) sediment.

An adaptation is any trait that helps an organism
a) become larger and stronger.
b) fight better.
c) overproduce variations.
d) survive and reproduce.

The technique that allows scientists to determine the actual age of a fossil is called
a) gradualism.
b) natural selection.
c) radioactive dating.
d) relative dating.

Which of the following is a type of evidence used by scientists to determine evolutionary relationships?
a) the food an organisms eats
b) the locations of islands in an ocean
c) the order of amino acids in a protein
d) the way in which a fossil formed

On the Beagle, Charles Darwin’s job was to
a) find evidence of extinct species.
b) learn about the living things he saw on the voyage.
c) make a map of the world.
d) study the formation of the Galápagos Islands.

A fossil made of hardened minerals in the shape of the original organism or one of its parts is called a(n)
a) amber.
b) cast.
c) mold.
d) variation.

A diagram that shows how different groups of organisms are related is called a(n) ___________.
a) branching tree.
b) extinct.
c) half life.
d) natural selection.

The _______________ of a radioactive element is the time it takes for half of the atoms in a sample to decay.
a) branching tree.
b) extinct.
c) half life.
d) natural selection.

Evolution occurs by means of a process called ________________________.
a) branching tree.
b) extinct.
c) half life.
d) natural selection.

The author of The Origin of Species was ________________________.
a) Charles Crick.
b) Charles Darwin.
c) Charles Dickens.
d) Charles Emmerson.

A species is ________________________ if no members of that species are still alive.
a) branching tree.
b) extinct.
c) half life.
d) natural selection.

Any difference between individuals of the same species is called a_______________________ .
a) adaptation.
b) extinction.
c) petrification.
d) variation.

The millions of fossils that scientists have collected make up the ___________.
a) fossil empire.
b) fossil record.
c) fossil book.
d) fossil gap.

Only traits that are ____________an be acted upon by natural selection.
a) taught.
b) inherited.
c) natural selection.
d) learned.

Related species have similar body structures because they inherited the same genes from a common ___________.
a) ancestor.
b) habitat.
c) offspring.
d) ocean.

When a hard part of an organism buried in sediment dissolves and leaves an empty space, the result is called a __________.
a) cast.
b) hollow.
c) mold.
d) hole.

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