CHAPTER 13 NOTES

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What is the range of conditions that an organism can survive in called?
Tolerance Range
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What are abiotic factors and give some examples?
An abiotic factor is a non-living thing that can affect an environment. Examples include soil type, rainfall,temperature and salinity.
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What are biotic factors and give some examples?
A biotic factor is a living thing that can affect an environment. Such things are availability of mates or the impact of predators and parasites
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What is a limiting factor?
An environmental requirement in short supply.
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What is an adaptation?
An inherited characteristic that improves an organisms chances of survival and reproduction.
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What are some abiotic factors found in water?
Ph, gases, temperature, light and salinity.
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What do mangroves have to cope with?
Fluctuating salinity levels, lack of oxygen for their roots and an aquatic environment for their seed disposal.
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What is torpor?
It's when animals allow their body temperature to drop and they become dormant for a period of time.
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What triggers hibernation?
Scarcity of food/water and low environmental temperatures.
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What is a hydrophyte?
A hydrophyte is a water loving plant.
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What is the main problem for hydrophytes?
The main problem is lack of oxygen.
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What are the 3 zones?
Subtidal zone, intertidal zone and spray zone
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What are pneumatophores?
Aerial roots.
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What is a xerophyte?
Plant that loves dryness.
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What are some adaptations of xerophytes?
Thick waxy cuticles, sunken stomata and leaves that point away from the sun.
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What are halophytes?
Plants that love salt.
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What are epicormic buds?
Epicormic buds are buds which lie under the bark of stems, allowing sprouting and regrowth.
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What is a lignotuber?
a lignotuber is a swollen underground stem that contains food stores.
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What are abiotic factors and give some examples?

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An abiotic factor is a non-living thing that can affect an environment. Examples include soil type, rainfall,temperature and salinity.

Card 3

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What are biotic factors and give some examples?

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Card 4

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What is a limiting factor?

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Card 5

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What is an adaptation?

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