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Science TestWK10
Question | Answer |
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What does a Structural Adaptation refer to? | a structural adaptation refers to the shape and size of an organism. |
What does a functional adaptation refer to? | a functional adaptation refers to the working of an organisms body. |
what does a behavioural adaptation refer to? | a behavioural adaptation refers to how the organism behaves. |
What is an ecosystem? | A system of relationships between living things and their interactions with non-living things. |
what is a biological factor? give an example as well. | a biological factor describes all the living things that interact with organisms such as food, predators, competitors or disease. |
what is a physical factor? give an example as well. | a physical factor describes all the non-living things that effects an organism for example weather, light, the availability of air and water, soil fertility and humidity. |
What is natural selection? | natural selection is when an organism with favourable characteristics suited to a particular habitat will survive better than the organism with the non-favourable characteristics. |
what are some of the physical factors which affect the survival of organisms living in water? | - the amounts of dissolved gases in water - water temperature - light - currents and waves - the buoyancy effect of water |
does the amount of dissolved oxygen in water decrease or increase when the temperature of water gets hotter? | Decrease |
for organisms to survive on land what do they need? | -Lungs or other structures for obtaining oxygen - a strong supporting skeleton - methods for obtaining water and avoiding excess water loss. - ways to keep warm in cold weather and cool in hot weather. |