Biology 2.3.1 Word Scramble
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Question | Answer |
What is a species? | A group of individual organisms very similar in appearance, anatomy, biochemistry, physiology and genetics, whose members can interbreed freely to produce fertile offspring |
What is biodiversity? | The variety of life - the different species, the genetic variation between individuals of the same species (alleles) and the ecosystems they form a part of |
What are genes? | The basic untis of heredity - genetic variation creates a lot of biodiversity because animal and plant species contain up to 400,000 genes |
What is a habitat? | A place where an organism lives |
What is a population? | A group of individuals of the same species living in the same place at the same time |
What is a community? | All the individuals of all organisms living in the same place at the same time |
Discuss the current estimate of global biodiversity | Catalogue of Life 2015 1.6 million species, 10% of the total number of species. Accuracy impeded by: evolution/speciation, extinction, climate change is affecting biodiversity, poles/rainforests/deserts largely unexplored, never know if we have found all |
what is sampling? | Studying a small portion of a population to make estimates about the number of species and individuals in the entire habitat |
WHat is the importance of sampling? | Sampling must be done to measure biodversity, which allows us to conserve habitats, in order to limit human damage and maintain unique habitats |
What does the number of samples taken depend on? | THe |
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