1. (Photosynthesis and Habitats)
Spaceship Earth
(Photosynthesis and Habitats) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

2. 1. What is meant by the term ‘Biome’ ?
answer
A large ecological region of the Earth.

3. 2. What is meant by a ‘Habitat’ ?
answer
The place where an animal or plant lives where it finds food, water and shelter.

4. 3. Name three types of land habitat.
answer
Any 3 from:
Desert
Tundra
Grasslands
Rainforest
Forest

5. 4. State what is meant by an ecosystem.
answer
A natural biological unit consisting of the community or organisms and their non-living habitat.

6. 5. What is biodiversity ?
answer
This is a term used to describe the variety of life within the living world.

7. 6. State two human activities which are affecting natural biodiversity.
answer
Any 2 from:
Pollution
Deforestation
Monoculture
Urbanisation

8. 7. What is meant by the term adaptation ?
answer
The changes in the physical and behavioral features of an organism to make it better adapted/suited to its habitat.

9. 8. What is meant by an endangered species ?
answer
One where the population drops below a certain number.

10. 9. Name the 7 characteristics of living things.
answer
Movement
Reproduction
Feeding
Respiration
Excretion
Growth
Sensitivity

11. 10. Name the 2 types of key used for classifying living organisms ?
Paired Statement Key
Branching Key
answer

12. Name 3 Biotic Factors.
answer
Disease
Predators
Food

13. 12. Name 4 abiotic factors you have measured.
answer
Temperature
Light Intensity
Moisture pH

14. 13. What do we call the process where plants use light energy to make sugar?
answer
Photosynthesis

15. 14. Name the 3 parts of a plant cell that are not found in animals cells.
answer
Chloroplast
Vacuole
Cell Wall

16. 15. What is the classroom test we use for starch in a leaf ?
Iodine Solution
answer

17. To remove the green pigment chlorophyll from the leaf.
16. Why do you boil a green leaf in ethanol when testing it for starch ?
answer
To remove the green pigment chlorophyll from the leaf.

18. 17. What colour change takes place in iodine solution if starch is present ?
answer
Iodine solution turns from orange/brown to dark blue/black in the presence of starch.

19. Take-In - Carbon Dioxide Give-out - Oxygen
18. During daylight plants take-in and give-out gases. Which gases are they ?
answer
Take-In - Carbon Dioxide
Give-out - Oxygen

20. 19. Name the 4 things plants need to carry-out photosynthesis ?
answer
Carbon Dioxide
Light Energy
Water
Chlorophyll

21. 20. What is a herbivore ?
answer
An animal / organism which eats only plants as food.

22. 21. What do we call the organism which gets eaten by a predator ?
answer
Prey

23. 22. What gets passed along at each stage in a food chain or food web ?
answer
Energy

24. 23. Only 10% of energy gets passed on at each stage two ways energy gets lost ?
Any 2 from:
Movement
Heat
Undigested Food
answer

25. 24. State 3 things which plants compete for.
Any 3 from:
Light Space
Soil Nutrients Water
answer

26. 25. State 3 things which animals compete for.
Any 3 from:
Territory Mates Food
Water Shelter
answer