FREE CHEMISTRY AND STUDY GAMES ABOUT BIOLOGY

PDF Download

FREE CHEMISTRY AND STUDY GAMES ABOUT BIOLOGY

TEST REVIEW

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -67 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What is the evidence for shared ancestors that supports the idea of common descent?

Answer:

Comparative embryology, Comparative anatomy, Comparative biochemistry Fossil records, Comparative Genetics

Question 2: What is genetics?

Answer:

Provides the mechanism or seeds of evolution Question 3: Which observation caused Thomas Malthus to form his theory about population growth?

Answer:

Human birth rate was higher than the death rate.

Question 4: What was Darwin's idea about evolution?

Answer:

There are trait variations within a species. The variations that work best in a given environment will increase and the variations that are harmful to survival will decrease. These variations are heritable.

Question 5: What are the 5 different ways that fossils are formed?

Answer:

Fossils are formed in sedimentary rocks, frozen in ice, captured in amber, preserved in peat bogs, and preserved in tar pits.

Question 6: What is the half-life of an isotope?

Answer:

The amount of time is takes for one-half of a radioactive substance to decay.

Question 7: What are fossils?

Answer:

Preserved remains of once living things

Question 8: What is the age of the earth?

Answer:

4.5 billion years

Question 9: Comparative Biochemistry

Answer:

Similarities in DNA, RNA, proteins, and enzymes

Question 10: What is evolution?

Answer:

The process in which organisms change over time.

Question 11: Similar flightless birds can be found on 3 different continents

Answer:

Species vary globally

Question 12: What is fitness?

Answer:

The ability of an organism to survive and reproduce.Question 13: Natural selection is the ability of an individual to survive and reproduce in its specific environment.

Answer:

false Question 14: similar types of proteins and other molecules are found in related organisms

Answer:

homologous molecules

Question 15: The data that the Grants collected proved that there is

Answer:

great variation of heritable traits among Galapagos finches.Question 16: Different types of tortoises and finches are found on the Galapagos Islands

Answer:

Species vary locally

Question 17: What are introduced species?

Answer:

Newcomers to an area that upset the ecology.

Question 18: What is natural selection?

Answer:

Selection of organisms who survive because they have the best adaptations for their environment

Question 19: The Earth is millions of years old.

Answer:

James Hutton

Question 20: What is an example of species varying locally?

Answer:

The Galapagos tortoises whose shell shapes varied based on which island they were on.

Question 21: Darwin went on a trip that lasted how many years?

Answer:

5 Question 22: Organisms can change to live more successfully in their environments.

Answer:

Jean Baptiste Lamarck Question 23: all living things are descended from species that lived before them

Answer:

Common Descent Question 24: What were the 3 main influences on Darwin as he was formulating his idea about "descent with modifications aboard the HMS Beagle?

Answer:

Geology, agriculture, and population growth.Question 25: If human population continues to grow unchecked, we will run out of living space and food.

Answer:

Thomas Malthus

Question 26: Individuals in a species have inherited variations

Species produce more offspring than can survive They must then compete to survive and reproduce

Answer:

Natural Selection

Question 27: the early developmental phases of related organisms look similar

Answer:

comparative embryology