MTTC Integrated Science Correct Questions & Answers

# of Animal species - ANSWER over 1 million species and about 30 divisions # of insects - ANSWER 800,000 species, half of animal kingdom Characteristics of animal kingdom - ANSWER muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, can move at some stage of life, can rapidly respond to environment due to specialized tissues like nerve and muscle Heterotrophic - ANSWER method of getting energy by eating food that has energy releasing substances Mendel - ANSWER Father of genetics, experimented with pea plants to observe inherited traits McClintock - ANSWER Created the first genetic map for maize, demonstrated recombination, how transposition flips the switch for traits. Watson and Crick - ANSWER Discovered the structure of DNA double helix and helped explain how DNA replicates. Leeuwenhoek - ANSWER First to observe single celled organisms with homemade magnifying glass. Observed bacteria, yeast, plants and other microscopic organisms. Linnaeus - ANSWER Created a method of classifying plants and animals, a way to organize and study large amounts of data, called Linnaean taxonomy. Darwin - ANSWER natural selection, survival of the fittest by observing finches. Also discovered fossils, noted stratification, dissected marine animals and interacted with indigenous peoples. Scientific fact - ANSWER an objective and verifiable observation