Classification of

Living Things

Test Review

#1 What is taxonomy?

• a. the scientific study of how living things are classified

• b. the name of Aristotle’s classification system

• c. the process used by geologists to classify rocks

• d. the process of observing an organism’s behavior

#1: Answer

• a. the scientific study of how living things are classified

#2

The process of grouping things based on similarities is called ____________________.

Answer #2

•Classification

#3

Based on their kingdoms, what are the shared characteristics of the organisms in the table? ___________________________.

Answer #3

•Examples: multicellular; eats food; has a nucleus

#4

Which of the following is NOT a characteristic that all living things share?

•A. a cellular organization

•B. movement

•C. using energy

•D. reproduction

#4 Answer

B. movement

#5

An organism’s scientific name consists of ___________.

• a. its class name and its family name

•b. its genus name and its species name.

• c. its kingdom name and its phylum name.

•d. its phylum name and its species name.

#5 Answer

•B. its genus name and its species name.

#6

The more classification levels that two organisms share, ________.

• a. the closer together on Earth they live.

•b. the more traits they have in common.

• c. the easier it is to tell them apart.

•d. the more distantly related they are.

Answer #6

•b. the more traits they have in common.

#7

One characteristic used to place organisms into kingdoms is ___.

•a. how they move.

•b. their ability to reproduce.

•c. where they live.

•d. their ability to make food.

Answer #7

d. their ability to make food.

#8

What contribution of Charles Darwin had a major impact on classification?

•a. binomial nomenclature

•B. seven levels of classification

•C. taxonomy

•D. his theory of natural selection

Answer #8

•d. his theory of natural selection

#9

Which domain(s) include(s) only prokaryotes?

•a. Bacteria and Archaea

•b. Archaea only

•c. Bacteria only

•d. Eukarya only

Answer #9

•a. Bacteria and Archaea

#10 Taxonomic keys can be used to help determine the

•a. size of organisms.

•b. identity of organisms.

•c. needs of organisms.

•d. behavior of organisms.

Answer #10

•b. identity of organisms.

#11 • You find a tree that is about 40 feet tall, has solitary 2

inch flat soft needles, the needles point outward from branch, and papery cone scales with a fork like tongue. What tree is it?

• a. Utah Juniper

• b. White Fir

• c. Blue spruce

• d. Douglas Fir

Answer #11

D. Douglas Fir

#12

Which is the broadest (biggest) classification level?

•a. family

•b. domain

•c. phylum

•d. species

Answer #12

•b. domain

#13

A(n) ____________________ consists of paired statements about the characteristics of different organisms.

Answer #13

•Taxomomic Key

#14

The first word in an organism’s scientific name is its ____________________.

Answer #14

•Its genus name

#15

Which of the organisms in the table is (are) most similar to a tiger (Panthera tigris)? ___________________

Answer #15

•Lion—because it shares the same genus

#16

Which of the organisms in the table is least similar to the others?

Answer #16

•Blue whale--- because it is in a different Order than the others

#17

All plants ________.

•a. have a nucleus.

•b. are unicellular.

•c. eat their food.

•d. are prokaryotes.

Answer #17

•a. have a nucleus.

#18

Which of the following would you use to identify an organism?

•A. a domain

•B. a taxonomic key

•C. a controlled experiment

•D. a eukaryote

Answer #18

•B. a taxonomic key

#19 Why do scientists organize living things into groups?

• a. so they can find them in the wild more easily

• b. so that the organisms are easier to study and identify

• c. so they can make sense of the variety of rocks on Earth

• d. so products from living things can be easily found in groceries

Answer #19

• b. so that the organisms are easier to study and identify

#20 Which group of organisms includes only multicellular organisms that eat (consume) their food?

•a. protists

•b. bacteria

•c. plants

•d. animals

Answer #20

•d. animals

#21

What do we call a group of very similar organisms that can mate and produce fertile offspring?

•a. hybrid

•c. family

•b. domain

•d. species

Answer #21

•d. species

#22

The source of energy for most autotrophs (ex. plants) is

•a. water.

•b. heterotrophs.

•c. the sun.

•d. other autotrophs.

Answer #22

•C. the sun.

#23

Which kingdoms include both unicellular and multicellular organisms?

•a. fungi and plants

•b. protists and animals

•c. fungi and protists

•d. protists and plants

Answer #23

•c. fungi and protists

#24

The process of grouping things based on similarities is called ___________.

Answer #24

•Classification

#25 The gradual change in species over time is called

•a. evolution.

•b. homeostasis.

•c. taxonomy.

•d. classification.

Answer #25

•a. evolution

#26 Redi showed in an experiment that meat only “grew” maggots when it was left out and flies landed on it. This experiment by Redi helped to demonstrate that _______________.

• a. species gradually change over time.

• b. living things do not arise from nonliving material.

• c. organisms can be placed in groups based on their similarities.

• d. the chemicals of life could have arisen on early Earth.

Answer #26

• b. living things do not arise from nonliving material.