Classification of Living Things

“Millionaire”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

#2Redi 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 #2

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

#3 Based on their kingdoms, what are the shared characteristics of the organisms in the table? _______

A) They all are mammals, and are in the animal kingdom

B) They all eat, and have a cell wall

C) They all have a nucleus and are made of more than one cell

D) They all live on land, move, and make their own food

Answer #3

C) They all have a nucleus and

are made of more than one

cell

#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.

#8What 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

#9Which 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

#10Taxonomic 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 Juniperb. White Firc. Blue spruced. 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

#13The gradual change in species over time is called•a. evolution.•b. homeostasis.•c. taxonomy.•d. classification.

Answer #13

•a. evolution

#14

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 #14

•c. fungi and protists

#15

Which of the organisms in the table is (are) most similar to a tiger (Panthera tigris)? ___________________a) Blue Whale b) Aardwolfc) Gray Wolf d) Lion

Answer #15

•Lion—because it shares the same genus

#16

All plants ________.•a. have a nucleus.•b. are unicellular.•c. eat their food.•d. are prokaryotes.

Answer #16

•a. have a nucleus.

#17

Which of the organisms in the table is least similar to the others? a) Blue Whale b) Aardwolfc) Gray Wolf d) Lion

Answer #17

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

#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

#19Why 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

The scientific process of grouping things based on similarities is called ____________________.a) Groupingb) Sortingc)Classificationd) Cleaning

Answer #23

•C) Classification

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

A) Dichotomous Key

B) Taxonomic Key

C) Classification Key

D) All of the Above

Answer #24

D) All of the Above

#25

The first word in an organism’s scientific name is its ____________________.•A) Domain•B) Kingdom•C) Species•D) Genus

Answer #25

•D) Its genus name