The study of life, Classification

Question 1

What classifies something as being a living organism? (8)

Answer 1

• made up of cells
• reproduce
• Based on universal genetic code(DNA)
• grow and develop
• obtain and use energy
• respond to their environment
• maintain internal stability
• Change over time

Question 2

All living things ____ certain characteristics

Answer 2

All living things share certain characteristics

Question 3

One cell; single-celled

Answer 3

Unicellular

Question 4

Many-celled

Answer 4

multicellular

Question 5

Asexual

Answer 5

reproduction from one single parent, basically cloning

Question 6

Sexual

Answer 6

reproduction from two parents, combining dna from each

Question 7

DNA uses the same basic code, the letters:

Answer 7

A, T, C, G

Question 8

organisms do what over time?

Answer 8

Increase in size

Question 9

What do organisms do over the course of their lifetime?

Answer 9

Develop

Question 10

What do organisms need a constant supply of, in order to survive

Answer 10

Energy

Question 11

Stimuli

Answer 11

Internal or external signal to which an organism responds too

Question 12

equilibrium in environment

Answer 12

homeostasis

Question 13

populations are always

Answer 13

changing

Question 14

changes become what after millions of years?

Answer 14

Signiifcant

Question 15

Biosphere

Answer 15

everywhere life exists

Question 16

Biodiversity

Answer 16

variety of life

Question 17

Carl Linnaeus did what

Answer 17

developed a system of naming and classifying organisms known as Linnaean system

Question 18

what made the linnaean system so successful

Answer 18

1. Taxonomic groups
2. Binomial nomenclature

Question 19

Group of organisms in the classification system is called

Answer 19

Taxon or (plural) taxa

Question 20

what are the taxas in order?

Answer 20

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 21

which taxon is most general

Answer 21

Domain

Question 22

which taxon is most specific

Answer 22

Species

Question 23

international system for naming organisms

Answer 23

Binomial Nomenclature
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V V
two name naming system

Question 24

what is the format for writing scientific names in binomial nomenclature

Answer 24

• Latin or Greek
• Genus capitalized, species lowercase
• either underlined or italicized

Question 25

why do scientific names matter

Answer 25

Help give each organism a universal name that cant be confused with others, and every scientist will recognize

Question 26

How many Eukaryotic species are estimated to be on Earth

Answer 26

8.7 million