Chapter 1: Classifying Organisms

Question 1

Organism

Answer 1

all living things

Question 2

Cell

Answer 2

the building blocks of all living things

Question 3

Microscope

Answer 3

a tool used to magnify or enlarge something

Question 4

Animalcules

Answer 4

a single celled organism.
a small animal

Question 5

Unicellular

Answer 5

organisms that are made up of one cell

Question 6

Multicellular

Answer 6

organisms that are made up of many cells

Question 7

Stimulus

Answer 7

a change in an organisms surroundings

Question 8

Response

Answer 8

how an organism reacts to the stimulus

Question 9

Autotroph

Answer 9

organisms that make their own food

Question 10

Heterotroph

Answer 10

organism that cannot make their own food

Question 11

Classification

Answer 11

the process of grouping things based on similarities

Question 12

Magnification

Answer 12

the ability to make things larger than they are

Question 13

Resolution

Answer 13

to create a useful image a microscope must help you to see individual parts clearly

Question 14

Tissue

Answer 14

a group of similar cells that work together to perform a specific function

Question 15

Organ System

Answer 15

a group of organs that work together to perform a major
function

Question 16

What are the six characteristics of life?

Answer 16

Cellular organization

Contain similar chemicals

Use energy

Respond to their surroundings

Grow and develop

Reproduce

Question 17

What was Redi’s Experiment?

Answer 17

He took two jars, both with rotten meat. One was open, the other closed. The one that was open had flies and the one that was closed didn’t. With this he disproved Spontaneous Generation.

Question 18

What was Pasteur’s Experiment?

Answer 18

He used different containers of broth. Through his experiments he proved that new bacteria could
only grow in a container where bacteria already existed.

Question 19

What are the four needs of all living things?

Answer 19

Water, Food, Living Space, Stable Internal Conditions

Question 20

Why do scientist classify?

Answer 20

to find information out about
different organisms.

Question 21

What are the eight levels of classification?

Answer 21

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 22

List and define the three domains

Answer 22

Bacteria - all are unicellular prokaryotes
Archaea - unicellular prokaryotes and the first kind of organism to exist on the planet
Eukarya - includes eukaryotes which are organisms whose cells contain nuclei

Question 23

What is a general statement about the evolution of cell theory over time?

Answer 23

The cell theory holds true for all living things
regardless of size

Question 24

What is the order of the scientists who helped put together the cell theory?

Answer 24

Robert Hooke
Anton van Leeuwenhoek
Schleiden
Schwann
Virchow

Question 25

What is Spontaneous Generation?

Answer 25

thought living things could come from non-living things.

Question 26

Who is Linnaeus and what did he contribute to biology?

Answer 26

A Swedish naturalist who created the Binomial Nomenclature.