(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

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

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

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

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

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

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

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.

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

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

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

11. Name 3 Biotic Factors. answer Disease Predators Food

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

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

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

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

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.

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.

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

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

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

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

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

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

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

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