Levels of Biodiversity

Question 1

Biodiversity

Answer 1

Variety of life in an area

Question 2

Genetic diversity

Answer 2

Total number of characteristics in a species/sum of all the different genes in a species

Question 3

Ecosystem diversity

Answer 3

Range of habitats and organisms within an ecosystems, and all the connections between them

Question 4

Classification

Answer 4

Grouping of similar things for a specific reason

Question 5

Why do we need to classify

Answer 5

• need to be able to distinguish between harmful/harmless
• need to identify new organisms and name them
• find evolutionary links

Question 6

Classifications of organisms

Answer 6

Archea bacteria protista fungi plantae animalia

Question 7

How are organisms categorized into groups (methods)

Answer 7

Nutrition (heterotrophic/autotophic)
# cells
Reproduction (sexual/asexual)
Habitat (where do they live)
Cell type (prokaryotics/eukaryotic)

Question 8

Prokaryotic

Answer 8

Circular chromosomes
No membrane bound organelles (no membrane bound nucelous)
Very small (less than 2 um)
Reproduce by binary fusion

Question 9

Eukaryotic

Answer 9

Double stranded chromosomes
Membrane bound organelles
Larger (10-100 um)
Reproduce by meiosis/mitosis

Question 10

Domains

Answer 10

Archea (only kingdom archaea, prokaryotes)
Bacteria (only kingdom bacteria, prokaryotes)
Eukarya (protists fungi plantae animalia- eukaryotes)

Question 11

Requirements for species

Answer 11

• similar in structure
• breed under natural conditions
• fertile

Question 12

Heterotrophic

Answer 12

Eats living or dead organisms for energy

Question 13

Autotrophic

Answer 13

Uses sun for energy

Question 14

Binomial nomenclature

Answer 14

Genus and species

Question 15

Taxonomy

Answer 15

Kingdom
Phylum 
Class 
Order
Family
Genus
Species