Life and Cell intro Quiz

Question 1

Homeostasis

Answer 1

the ability to maintain constant internal conditions-37C

Question 2

Stimulus Response

Answer 2

anything in the environment that causes an organism to react

Question 3

Sexual reproduction

Answer 3

process of making offspring requiring 2 organisms to mate

Question 4

Asexual reproduction

Answer 4

process of making offspring where 1 organism splits into 2

Question 5

Adaptation

Answer 5

a trait that allows an organism to better survive in its environment

Question 6

Energy

Answer 6

ability to get work done

Question 7

Producer

Answer 7

an organism that makes its own food like plants using photosynthesis

Question 8

Consumer

Answer 8

organism that obtains food by eating producers or other life forms

Question 9

Development

Answer 9

progressive changes in size, shape, and function during the life of an organism

Question 10

Excretion

Answer 10

process of removing waste from your body (urination, exhalation)

Question 11

unicellular

Answer 11

a single celled life form (bacteria)

Question 12

multicellular

Answer 12

many celled

Question 13

prokaryote

Answer 13

smaller & simpler, no nucleus, or organelles, ex. bacteria

Question 14

eukaryote

Answer 14

larger & more complex, have nucleus, have many types of organelles, 2 types: animal & plant

Question 15

compound light microscope

Answer 15

Common lab microscope, 3000x, light, 2D, sees living cells

Question 16

stereo microscope

Answer 16

dissecting microscope, 500x, light, 3D, magnifies surfaces of living things

Question 17

TEM

Answer 17

Transmission EM, 300,000x , electrons, 2D, interior of cells, Kills!

Question 18

SEM

Answer 18

Scanning EM, 100,000x , electrons, 3D, surfaces of cells, Kills!

Question 19

limit of resolution

Answer 19

the point at which the ability to distinguish between objects blurs/is lost, sharpness. Problem with light microscopes

Question 20

magnification

Answer 20

the action or process of magnifying something or being magnified, esp. visually.

Question 21

cell culturing

Answer 21

growing cells outside of the body in a petri dish

Question 22

micrometer

Answer 22

one thousandths of a millimeter.

a blood cell in 10 µm in size

Question 23

microtome

Answer 23

tool that slices specimens for microscope viewing

Question 24

centrifuge

Answer 24

a tool used separate material by spinning them

Question 25

Cell theory

Answer 25

All life is made of cells
A cell is basic unit of life
All cells come from cells

Question 26

Robert Hooke

Answer 26

first to observe “small chambers” in cork and call them cells.

Question 27

Anton von Leeuwenhoek

Answer 27

first to observe microorganisms

Question 28

Matthias Schleiden

Answer 28

discovered that plants are made of cells

Question 29

Theodor Schwann

Answer 29

discovered that animals are made of cells.

Question 30

Rudolf Virchow

Answer 30

all cells come from cells