Biology 11 Chapter 13 And 14 Quiz

Question 1

What is the difference between an observation and an inference?

Answer 1

Observation can be easily seen and a inference is a guess

Question 2

What is the age of the earth?

Answer 2

4.5 billion years old

Question 3

What is the Cambrian explosion?

Answer 3

It is a rapid diversification of life

Question 4

When did dinosaurs go extinct?

Answer 4

About 66 million years ago

Question 5

What is evolution?

Answer 5

I it is the change of characteristics of biological populations over many generations

Question 6

What is the modern definition of evolution?

Answer 6

Evolution is any change in the relative frequencies of alleles in the gene pool of a population

Question 7

What is natural selection?

Answer 7

Natural selection is where organisms with traits stay at the environment that suits them best which can help them survive and reproduce better

Question 8

What are the 3 assumptions of Lamarck theory of evolution?

Answer 8

Inheritance of acquired characteristics, use and disuse of organs, and organisms are driven to greater complexity

Question 9

The 5 steps of speciation?

Answer 9

Isolation of populations, genetic divergence, reproductive isolation, continued divergence, formation of new species

Question 10

How does convergent evolution differ from divergent evolution?

Answer 10

Convergent is similarities and divergent is differences in environmental pressures