Diversity Unit

Question 1

Difference between common and fundamental characteristics

Answer 1

common characteristics do NOT define life
as they are also seen in many non-living things

Question 2

8 fundamental characteristics (8)

Answer 2

1. Cellular Organization
2. Reproduction
3. Metabolism
4. Homeostasis
5. Heredity
6. Responsiveness
7. Growth and Development
8. Evolve and Adapt

Question 3

Unicellular

Answer 3

entire organism is made up of ONE cell

Question 4

Multicellular

Answer 4

entire organism is made up of MANY cells

Question 5

Asexual Reproduction

Answer 5

Single parent organism reproduce by itself

Question 6

Sexual Reproduction (2)

Answer 6

Two different parent organism
Consists of male and female sex cells

Question 7

Why is biodiversity important

Answer 7

essential for sustaining all life of Earth

Question 8

Why do we classify living things? (2)

Answer 8

to track evolution and determine ancestry
allows anyone in the world to discuss the same creature regardless of common name

Question 9

Taxonomy

Answer 9

Linnaeus classifying organisms according to their structural similarities

Question 10

Morphology

Answer 10

study of form and structure

Question 11

Phylogeny

Answer 11

modern taxonomy groups based on their evolutionary relatedness
(relationship between all organisms on earth)

Question 12

Order of classifying organisms (7)

Answer 12

Kingdom, Phylum, Class, Order, Family, Genus, Species

Question 13

Binomial Nomenclature

Answer 13

gives an organism “scientific name” using genus and species
(genus and species italicized/bolded/underlined)

Question 14

How to use dichotomous keys

Answer 14

out of the 2 given options, choose the one that matches the organism, continue to the step/organism name given after the ,

Question 15

Construct dichotomous keys (3)

Answer 15

1. divide organisms roughly in half for each step
2. when down to 1 organism left instead of saying “go to step” list organism name
3. there should be one less step than there are organisms (if 4 organisms, its 3 steps)

Question 16

Bacteria: Capsule (location)

Answer 16

outer layer

Question 17

Bacteria: Capsule (job) (2)

Answer 17

Increases ability to cause disease
allows it to adhere to surfaces

Question 18

Bacteria: Cell Wall (location)

Answer 18

second layer

Question 19

Bacteria: Cell Wall (job)

Answer 19

provide ridigy, strength support and protection

Question 20

Bacteria: Nucleoid Region (location)

Answer 20

Scribbly things in cytoplasm

Question 21

Bacteria: Nucleoid Region (job)

Answer 21

Contains DNA, proteins and RNA

Question 22

Bacteria: Pili (location)

Answer 22

Hair like structures

Question 23

Bacteria: Pili (job)

Answer 23

each one has its own function

Question 24

Bacteria: Flagellum (location)

Answer 24

tail

Question 25

Bacteria: Flagellum (job)

Answer 25

used for movement

Question 26

Shapes and Names of Bacteria (6)

Answer 26

Sphere: Coccus Oval: Coccobacillus Curved Long: Vibrio Straight Long: Bacillus Coil: Spirillum Spiral: Spirochete

Question 27

Gram + cell wall?

Answer 27

Thick cell walls

Question 28

Gram - cell wall?

Answer 28

Thin cell walls

Question 29

Bacteria: Motility (3)

Answer 29

Pili Flagella Non-Mobile