Chapter 8

Question 1

What is biodiversity?

Answer 1

The variety of living organisms such as microorganisms,animal,plant that interact with one another

Question 2

List taxonomic classification system

Answer 2

•Classification
•Identification
•Naming
-using bionomial nomenclature system

Question 3

Six types of organisms

Answer 3

• Archaebacteria
• Eubacteria
• Protista
• Fungi
• Plantae
• Animalia

Question 4

Explain archaebactera

Answer 4

• Prokaryote
• Unicellular or multicellular organims
• Autotroph/Heterotroph

Question 5

Explain Eubacteria

Answer 5

• prokaryote
• unicellular organism
• autotroph/heterotroph

Question 6

Explain protista

Answer 6

• Eukaryote
• unicellular/multicellular organisms
• autotroph/heterotroph

Question 7

Explain fungi

Answer 7

• eukaryote
• uni/multicellular
• heterotroph

Question 8

Explain plantae

Answer 8

• eukaryote
• multicellular organisms
• autotroph

Question 9

Explain animalia

Answer 9

• eukaryote
• uni/multicellular
• heterotroph

Question 10

What is prokaryote?

Answer 10

A type of cell which lack a membrane bound nucleus

Question 11

What is Eukaryote?

Answer 11

•Has a nucleus and membrane enclosed organelles

Question 12

What is Heterotroph?

Answer 12

•An organisma that can’t synthesis its own food but obtain food molecules by eating other organism

Question 13

What is autotroph?

Answer 13

•An organism that can synthesise its own food by organic materials by using light energy or chemical energy

Question 14

Three groups of archaebacteria?

Answer 14

Methanogen,Halophile,Thermophile

Question 15

What is methanogen?

Answer 15

•Anaerobic bacteria are found in swamps and the digestive tract of ruminants and humans.
Produces methane as a metabolic by product.

Question 16

What is halophile in archaebacteria?

Answer 16

•Found in places with extremely high salt concentration,such as Dead Sea

Question 17

What is Thermophile in archaebacteria?

Answer 17

• bacteria that can withstand high temperature at an optimum temp of 60°c to 80°c.
• Found in hot springs and highly acidic locations

Question 18

Archaebacteria have peptidoglycan or not?

Answer 18

Not have peptidoglycan

Question 19

Cell wall of Eubacteria is?

Answer 19

Cell wall of Eubacteria made of peptidoglycan

Question 20

What is peptidoglycan?

Answer 20

•known as murein which is a polymer made up of sugars and amino acids.

Question 21

Explain cytoplasm of eubacteria?

Answer 21

•contains ribosome and plasmids but has none of the membrane-enclosed organelles like mitochondria,endoplasmic reticulum

Question 22

Protista is simplest or complex tissue?

Answer 22

•has a simple cell without specialised tissues

Question 23

Three groups of protista is …

Answer 23

•protozoa,algae,slime mould

Question 24

explain plantae

Answer 24

• can synthesis food via chlorophyll

* can undergi asexual reproduction

Question 25

Hierarchy system used in taxonomy is

Answer 25

Linnaeus hierarchy system

Question 26

Acronym order of hierarchy;

Answer 26

• Dodol-domain
• Kelapa-Kingdom
• Parut-Phylum
• Cuma-Class
• Order-Order
• For-Family
• Gathering-genius
• sahaja-species