B2 higher questions 3.5 / 5 based on 7 ratings ? BiologyB2GCSEOCR Created by: ChloeedannielleCreated on: 27-04-15 17:33 What are the 5 kingdoms of organisms? Protoctista, Prokaryotes, Fungi, Plants and Animals 1 of 32 What are the two groups animals are split into? Vertebrates and invertebrates 2 of 32 What are the two groups vertebrates are split into? Mammals, Reptiles, Fish, Birds and Anthipians. 3 of 32 Name two characteristics of mammals Give birth to live young. 4 of 32 Define species A group of organisms that have similar characteristics and are capable of producing fertile young. 5 of 32 What are hybrids? The infertile offspring of two different species 6 of 32 What do food chains show? They show the transfer of energy from organism to organism 7 of 32 What is a trophic level? The stages in a food chain 8 of 32 How is energy lost through the food chain? Respiration, movement, waste, excretory products and uneaten parts. 9 of 32 What shape are pyramids of biomass? They are ALWAYS pyramid shape 10 of 32 What shape are pyramids of numbers? They can take any shape 11 of 32 What process removes carbon dioxide from the atmosphere? Photosynthesis 12 of 32 What acts as carbon sinks? Forests, soils and oceans. 13 of 32 What are nitrates needed for? Plants need them to make protein for growth 14 of 32 What is the role of nitrifying bacteria? Convert ammonium compounds into nitrates in the soil 15 of 32 Where are nitrogen fixing bacteria found? In the soil or root noodles of legumes 16 of 32 State an example of a mutualistic relationship Ox-****** birds living on buffalo's' backs 17 of 32 What is a parasitic relationship? When an organism lives of a host and causes it harm 18 of 32 Name four things animals compete over Food, water, shelter and mates 19 of 32 Name three things plants compete for Light, water and minerals 20 of 32 Describe the term ecological niche The place or function of a given organism within its ecosystem 21 of 32 What is intra-specific competition? Where individuals from the same species competing for the same resource 22 of 32 What is inter-specific competition? Where individuals of different species compete for the same resources in an ecosystem 23 of 32 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. 24 of 32 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 25 of 32 Define evolution The gradual change in organisms over millions of years caused by random mutations and natural selcetion 26 of 32 How are humans polluting the planet? Burning fossil fuels 27 of 32 What harms the ozone layer? CFCs 28 of 32 What causes acid rain? Burning fossil fuels that release acid gasses such as sulfur dioxide 29 of 32 What are indicator species? A species that acts as an indicator of pollution 30 of 32 What is a sustainable resource? One that can be used and replaced so it isn't exhausted 31 of 32 How are endangered species protected? Education programs, captive breeding programs, legal protection, protection of their habitats, making artificial ecosystems for them to live in. 32 of 32
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