05.06 Module Exam

Question 1

Which of the following would help you find the common ancestor for two related species? (5 points)

Answer 1

Taxonomic key

Question 2

An organism and its taxonomic key are shown below.

An image of an organism is shown. The organism has two body regions with four legs on each side. 3 mm is written next to the image of the organism. There are no claw-like pinchers.

Taxonomic Key
Step	Characteristic	Organism
1	8 legs	Go to step 2.
More than 8 legs	Go to step 3.
2	One body region	Go to step 4.
Two body regions	Go to step 5.
3	One pair of legs on each body segment	Centipede
Two pairs of legs on each body segment	Millipede
4	Less than 1 millimeter long	Mite
More than 1 millimeter long	Tick
5	Claw-like pinchers	Go to step 6.
No claw-like pinchers	Spider
6	Long tail with a stinger	Scorpion
No tail or stinger	Pseudoscorpion

Which organism is shown in the image? (5 points)

Answer 2

Spider

Question 3

What is one way homeostasis benefits living organisms? (5 points)

Answer 3

It maintains balance.

Question 4

Which of the following helps plants maintain homeostasis? (5 points)

Answer 4

Photosynthesis

Question 5

Which level of organization in the classification system is directly above the class level? (5 points)

Answer 5

Phylum

Question 6

Which of the following is a characteristic of the fungus kingdom? (5 points)

Answer 6

Have eukaryotic cells

Question 7

Before the discovery of the microscope, Linnaeus could classify organisms only into two kingdoms. More kingdoms were introduced later. What characteristic of science does this show? (5 points)

Answer 7

It is changeable.

Question 8

Which of the following is an example of homeostasis? (5 points)

Answer 8

Humans shiver when it is very cold.