Chapter 2 - Classifying Biodiversity

Question 1

Levels of taxonomy

Answer 1

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species 

“Don’t kill pink camels or friendly green snakes”

Question 2

9 phylums of animals

Answer 2

Sponge 
Jellyfish
Starfish 
Round worm 
Segmented worm 
Flat worm 
Octopus 
Anthropods - insects, crustaceans, arachnids 
Vertebrates - mammals, reptiles

Question 3

Prokaryotes

Answer 3

• simple/early cell
• circular chromosomes
• no nucleus
• no membrane bound organelles

Eg) bacteria

Question 4

Eukaryotes

Answer 4

• advanced cell
• linear chromosomes
• membrane bound organelles eg) chloroplast, mitochondria
• has a nucleus

Eg) Animalia, plantae, protist, fungi

Question 5

Reproductive techniques

Monotremes

Answer 5

Egg laying mammals

Eg) platypus

Question 6

Reproductive techniques

Marsupials

Answer 6

Give birth to undeveloped live young

Eg) kangaroo

Question 7

Reproductive techniques

Placentals

Answer 7

Give birth to developed young after a long period of gestation

Eg) humans

Question 8

Sexual reproduction

Answer 8

Mixing of 2 gametes from 2 individuals

Question 9

Asexual reproduction

Answer 9

Offspring arise from single organisms

Question 10

Classification keys

Dichotomous

Answer 10

Dichotomous keys are used to identify organisms. They involve choosing between a series of two options until an organism is discovered.