Characteristics and Variety of Living Organisms

Question 1

Mrs Grenc

Answer 1

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition, Control

Question 2

Features of plants

Answer 2

• Multicellular
• Cells contain chloroplasts
• Can photosynthesise
• Cellulose cell wall
• Store carbohydrates as starch or sucrose

Question 3

Features of animals

Answer 3

• Multicellular
• No chloroplast
• Don’t photosynthesise
• No cell wall
• Store carbohydrates as glycogen
• Have nervous communication
• Able to move place to place

Question 4

Features of fungi

Answer 4

• Multicellular or single-celled
• Don’t photosynthesise
• Chitin cell wall
• May store carbohydrates as glycogen
• Saprotrophic feeders
• Body organised into mycelium made of hyphae

Question 5

Features of Protoctists

Answer 5

Single-celled

Question 6

Features of bacteria

Answer 6

• Single-celled
• Some photosynthesise
• Cell wall
• Feed off organisms
• Cell membrane
• Cytoplasm and plasmids
• Circular DNA chromosome

Question 7

Pathogen

Answer 7

Organism that causes disease e.g. virus, bacteria, fungi or protoctists

Question 8

Virus

Answer 8

Very small microorganism that is not composed of cells. Consist of genetic material (DNA or RNA) surrounded by a protein coat