Variety and Characteristics of Living Organisms

Question 1

4 types of eukaryotic organisms

Answer 1

Plant
Fungi
Protoctists
Animals

Question 2

3 differences between plant and animal cells

Answer 2

Cell wall
Permanent Vacuole
Cholorplasts

Question 3

Describe the structure of fungi

Answer 3

Chitin cell wall
Often Multinucleated
Contain mycelium which is made up of hyphae threads

Question 4

How do fungi feed

Answer 4

They are saprotrophic - they secrete enzymes that break down their food outside their cells, then absorb the nutrients

Question 5

Are prokaryotic cells multicellular or unicellular

Answer 5

Unicellular

Question 6

Give 6 features of a bacteria cell

Answer 6

Cell membrane
Cell wall
Cytoplasm
Plasmids of DNA
No nucleus but a large DNA loop instead
Flagellum

Question 7

What is a pathogen

Answer 7

It is a disease causing microorganism

Question 8

Give 4 different types of pathogens

Answer 8

Bacteria
Fungi
Viruses
Protoctists

Question 9

Describe the structure of a virus

Answer 9

Protein husk
Contain nucleic acid (DNA or RNA)

Question 10

Give 3 examples of viruses

Answer 10

Tabaco mosaic virus (TMV)
Human immunodeficiency virus (HIV)
Influenza

Question 11

Give two different species of bacteria

Answer 11

Lactobacillus bulgaricus - used in the production of yoghurt from milk
Pneumococcus - Bacterium that causes pneumonia

Question 12

What 8 Characteristics to all living organisms share?

Answer 12

Movement
Respiration
Sensitivity

Control their internal conditions

Growth
Reproduction
Excretion
Nutrition