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Science Test 2013
interactions in the environment
Question | Answer |
---|---|
What is Ecology? | The study of relationships between organisms, and between organisms and their environment |
What is an Ecosystems? | The network of interactions that link the living and non-living things of an environment |
What are biotic elements? | They are living things |
What are abiotic elements? | They are non-living things |
What is an organism? | It is a living thing |
What is a micro-organism? | It is a living thing that is small and must be viewed with the help of a microscope |
What is the definition of species? | a group of similar organisms that can mate and reproduce more of the same type of organism |
What is the definition of population? | a group of organisms of the same species in a given area |
What is a community? | a group of populations of different species in a given area |
What is a biome? | a collection of related ecosystems |
What is a biosphere? | all of the biomes, all of the ecosystems on earth. consists of wherever living things are found |
What are the three ways biotic and abiotic elements interact with each other? | 1)biotic ineracting with biotic 2)biotic interacting with abiotic 3) abiotic interacting with abiotic |
What is a habitat? | the environment where and organism lives |
What is a nutrient? | a substance that an organism needs to grow and maintain its body |
What is competition? | occurs when more than one organism tries to obtain the basic reasources in the same habitat |
How do humans compete with other organisms for reasources? | farmers spray pesticides on crops to stop other animals from eating them |
What is mutualism? | an interaction between different species that benifits both individuals |