What is Evolution

Question 1

What peculiar feature did Darwin find in the tortoises on the Galapagos Islands?

 A. 
They were domesticated.
   B. 
They had adapted to their surroundings.
  C. 
They had access to better food sources.
  D. 
They were a better breed than regular tortoises.

Answer 1

They had adapted to their surroundings.

Question 2

the study of the anatomy of an organism

to explain evolutionary similarity

Answer 2

comparative anatomy

Question 3

the study of similarities in embryos of

organisms to find common connections

Answer 3

embryology

Question 4

the analysis and comparison of DNA to better

understand relationships between species

Answer 4

molecular biology

Question 5

the study of life cycles of organisms to find

common stages

Answer 5

developmental biology

Question 6

evolution

Answer 6

the natural process by which species develop and differentiate from earlier forms of life

Question 7

natural selection

Answer 7

the process by which organisms with more beneficial characteristics are more likely to survive and reproduce

Question 8

fossil

Answer 8

the remains or impressions of prehistoric organisms preserved in rock

Question 9

Darwin observed that the wildlife on the Galapagos Islands had undergone physical changes to………….to the…………….He noticed that the tortoises had two distinct shapes.

Answer 9

adapt environment

Question 10

Evolution is random, but it happens because of …………. …………….. of species.

Answer 10

Genetic Variation

Question 11

Every organism in a species has a different genome, and genomes can change from parent to offspring because of random……………….. which are responsible for the introduction of ………………. traits to the organism

Answer 11

mutations new

Question 12

If the trait is………………for the survival of the organism then it becomes more common.

Answer 12

Beneficial

Question 13

Researchers study the similarities and differences in the physical……………….of organisms

Answer 13

structures

Question 14

Scientists can study evolutionary relationships with the help of fossils - the ………………..or………………… of dead animals and plants in the earths crust.

Answer 14

remains or impressions

Question 15

Organisms show remarkable similarities at the…………..and……………..levels

Answer 15

cellular and molecular

Question 15

Organisms show remarkable similarities at the…………..and……………..levels

Answer 15

cellular and molecular

Question 16

Molecular scientists study and compare the…………….of different organisms based on these simaaraties.

Answer 16

genomes

Question 17

The way in which an organism grows and develops provides valuable clues about its evolution. Organisms that look similar in the…………………….stage look very different in the adult stage.

Answer 17

embryo

Question 18

Which question does the theory of evolution best answer?

Answer 18

How do species change over time?

Question 19

Charles Darwin

Answer 19

Famous for his theory of evolution Scientist

Question 20

How has Charles Darwin contributed to the study of evolution

Answer 20

He proposed the theory of natural selection.

Question 21

Scientists can understand and learn about evolution by studying ………….. . However, whole and intact specimens are hard to come by. To study these specimens, scientists use technologies such as ……………… .

Answer 21

fossils and 3 - D printers