Topic 02-Classification

Question 1

RINGER

Answer 1

R: Respiration
I: Irritability(sensitivity) 
N: Nutrition
G: Growth and development
E: Excretion
R: Reproduction

Question 2

Five kingdoms of living organisms

Answer 2

Bacteria, Fungi, Protoctistans, Animals, Plants

Question 3

Sequence of groups

Answer 3

Kingdom—>Phylum—>Class—>Order—>Family—>Genus—>Species

Question 4

In terms of cell structure, what is the difference between bacteria and viruses?

Answer 4

Bacteria: Unicellular(single-cell)organisms
Viruses: Acellular(Does not have a cell structure)

Question 5

Structure of bacteria

Answer 5

1. Cell wall doesn’t contain cellulose
2. Have no true nucleus, genetic materials are not bounded by a nuclear membrane
3. Have flagella which beat to move the bacterial cell
4. Does not contain any organelle
5. Have plasmids(Circular DNA)

Question 6

Shapes of bacteria

Answer 6

Rod—Bacillus
Spherical—Coccus(Coconuts lol)
Spiral—Spirillum

Question 7

Are virus living things?

Answer 7

1. Viruses do not belong to any of the five kingdoms as they do not show any characteristics of living organisms unless they are inside the host cells of living things
2. Viruses makes use if the host cells to replicate. This is the only characteristic of living things viruses show

Question 8

Structure of fungi

Answer 8

1. Fungal cells have a cell wall made of chitin
2. Contains many organelle
3. The fungal body of multicellular fungi is called mycelium, which is made up of many branching hyphae

Question 9

Nutrition of fungi

Answer 9

-Saprophytic nutrition
Fungi feed on dead organic matters by releasing enzymes to digest the body of dead organic matters then absorbing the digested nutrients into the hyphae

Question 10

Where can fungi grow?

Answer 10

Growth of fungi requires water, warmth and a nutrient source

They do not need light as they don’t have chloroplast and they cannot carry out photosynthesis

They like to grow in dark conditions as areas with too much light may be too warm for enzymes to function and too dry for them to grow