B2 higher questions

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What are the 5 kingdoms of organisms?
Protoctista, Prokaryotes, Fungi, Plants and Animals
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What are the two groups animals are split into?
Vertebrates and invertebrates
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What are the two groups vertebrates are split into?
Mammals, Reptiles, Fish, Birds and Anthipians.
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Name two characteristics of mammals
Give birth to live young.
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Define species
A group of organisms that have similar characteristics and are capable of producing fertile young.
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What are hybrids?
The infertile offspring of two different species
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What do food chains show?
They show the transfer of energy from organism to organism
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What is a trophic level?
The stages in a food chain
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How is energy lost through the food chain?
Respiration, movement, waste, excretory products and uneaten parts.
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What shape are pyramids of biomass?
They are ALWAYS pyramid shape
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What shape are pyramids of numbers?
They can take any shape
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What process removes carbon dioxide from the atmosphere?
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What acts as carbon sinks?
Forests, soils and oceans.
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What are nitrates needed for?
Plants need them to make protein for growth
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What is the role of nitrifying bacteria?
Convert ammonium compounds into nitrates in the soil
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Where are nitrogen fixing bacteria found?
In the soil or root noodles of legumes
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State an example of a mutualistic relationship
Ox-****** birds living on buffalo's' backs
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What is a parasitic relationship?
When an organism lives of a host and causes it harm
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Name four things animals compete over
Food, water, shelter and mates
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Name three things plants compete for
Light, water and minerals
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Describe the term ecological niche
The place or function of a given organism within its ecosystem
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What is intra-specific competition?
Where individuals from the same species competing for the same resource
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What is inter-specific competition?
Where individuals of different species compete for the same resources in an ecosystem
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State an adaptation of camels that help them survive
Body fat is stored in the hump so there's very little insulation under the skin, which keeps it cooler.
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State some adaptations of cacti
long roots to reach water, thick waxy cuticle to reduce water loss, spines reduce water loss and protect stored water
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Define evolution
The gradual change in organisms over millions of years caused by random mutations and natural selcetion
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How are humans polluting the planet?
Burning fossil fuels
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What harms the ozone layer?
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What causes acid rain?
Burning fossil fuels that release acid gasses such as sulfur dioxide
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What are indicator species?
A species that acts as an indicator of pollution
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What is a sustainable resource?
One that can be used and replaced so it isn't exhausted
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How are endangered species protected?
Education programs, captive breeding programs, legal protection, protection of their habitats, making artificial ecosystems for them to live in.
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Card 2


What are the two groups animals are split into?


Vertebrates and invertebrates

Card 3


What are the two groups vertebrates are split into?


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Card 4


Name two characteristics of mammals


Preview of the front of card 4

Card 5


Define species


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