Lesson 1- Darwin's Theory

Question 1

The HMS Beagle set sail from where to where and how long?

Answer 1

Set sail from England on a 5 year trip around the world

Question 2

In fact, scientists have identified more than . _______ species of organisms on earth.

Answer 2

1.6 million species

Question 3

The exact number of species is unknown-why?

Answer 3

Because many areas of earth have not yet been studied.

Question 4

Charles Darwin was a person who observes and studies the natural world-what is that?

Answer 4

A Naturalist

Question 5

A _______ is a group of similar organisms that can mate with each other and produce fertile offspring.

Answer 5

Species

Question 6

Darwin was amazed by the _______ of _______ _______ that he saw on his voyage.

Answer 6

Diversity, living things

Question 7

Darwin saw _______ of animals that had died long ago.

Answer 7

Fossils

Question 8

Darwin became convinced that species do not _____________.

Answer 8

Do not always stay the same

Question 9

A _______Is a well tested concept that explains a wide range of observations

Answer 9

Scientific Theory

Question 10

A ______ is the preserved remains or traces of an organism that lived in the past.

Answer 10

A Fossil

Question 11

Beak shape is an example of __________.

Answer 11

Adaptation

Question 12

Darwins ideas are often referred to as a _______________.

Answer 12

Theory of evolution

Question 13

Darwin was convinced that organisms ____________.

Answer 13

That organisms change over time

Question 14

The process of change over time is called _____.

Answer 14

Evolution

Question 15

An adaptation is a trait that increases and organisms ability to _______ and ___________

Answer 15

Survive, reproduce

Question 16

Over how many years did Darwin consult other scientists and gather more information?

Answer 16

20 years

Question 17

From the evidence he collected, Darwin concluded that organisms on the Galápagos Islands ____________.

Answer 17

Had changed over time

Question 18

Only the organisms with desired characteristic such as color are bred, what is this?

Answer 18

Artificial selection

Question 19

I get it! Now I know that Darwin’s hypothesis was ___________.

Answer 19

That species change over many generations and become better adapted to new conditions

Question 20

What did Darwin hypothesize?

Answer 20

Darwin hypothesized that species change over many generations and become better adapted to new conditions

Question 21

What did Darwin breed himself?

Answer 21

He bred pigeons with large, fan shaped tails.

Question 22

What did Darwin want to know about organisms?

Answer 22

He wanted to know how organisms changed

Question 22

Make a list of three observations that Darwin made during the beagle’s voyage.

Answer 22

1. There were many animals he hasn’t seen before.
2. Evolution
3. The finches adaptation to their environment

Question 23

What year did the British ship HMS Beagle set sail?

Answer 23

1831

Question 24

A trait that’s increased an organisms ability to survive and reproduce

Answer 24

adaptation