Core Biology Chapter 4 AQA

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5 things plants need to survive
Carbon dioxide, water, oxygen, nutrients - mineral ions from soil
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Define adaptation
Special features of organisms
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What do adaptations allow orgasisms to do
To survive in a particular habitat, even when conditions are extreme
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What are extremophiles
Micro-organisms that are adapted to live in conditions where their enzymes wouldnt usually work as they would denature
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How are animals in cold climates adapted to the environment
Have thick fur and fat under the skin to keep them warm
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What can bigger animals do
Conserve energy easier but find it harder to cool down
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Why may some animals hunt/feed at night
To keep them cool during the day
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Why do smaller plants flower before trees are in leaf?
To ensure they get enough light, water and nutrients
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How do plants spread their seeds
Use animals to spread seeds and fruit, or use wind or mini explosions
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Why do plants spread their seeds as far as possible
So they dont end up competing with eachother
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How do female fig wasps pollunate
They have specially shaped heads and oviposters to let them place eggs inside flower
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How are the star nosed mole and venus fly trap adapted for survival
Mole - sensitive to touch and smell- detects food underground, venus fly trap - brightly coloured, sticky nectar to trap prey
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Name 3 non living environmental factors
Temperature, rainfall, light, oxygen levels
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Name 3 living environmental factors
Arrival of new predator or disease, introduction of new plants - new food/habitats
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What are lichens and what do they do
Indicate levels of air pollution - sulfer dioxide, More lichens growing the cleaner the air
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What are freshwater invertebrates and what do they do
Indicate levels of water pollution.
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5 pieces of equipment used to monitor non living changes
Rain gauges, thermometers, data loggers, ph/oxygen sensors
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Why do some birds fly further north to find nesting sites
Climate change caused it to be warmer
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Other cards in this set

Card 2

Front

Define adaptation

Back

Special features of organisms

Card 3

Front

What do adaptations allow orgasisms to do

Back

Preview of the front of card 3

Card 4

Front

What are extremophiles

Back

Preview of the front of card 4

Card 5

Front

How are animals in cold climates adapted to the environment

Back

Preview of the front of card 5
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