PPT-Challenge: Suggest how variation can help a species to survive

Identify three examples of inherited characteristics and three environmental characteristics Explain why sound cannot be heard in space Suggest some advantages and disadvantages of recycling. and Variation. SBI3U1. Introduction to Evolution. Birds are a diverse group of animals. . They vary in . beak . , . colour. & . nutrition. depending on their environment . ADAPTATION. Adaptation: . Core Biology. Topic . 1. Unit B1: Influences on life. Topic 1 Classification, variation and inheritance. Classification. Key words: characteristics, unicellular, . multicellular. , nucleus, autotrophic, photosynthesis, heterotrophic, saprophytic, virus . How would Hutton and Lyell explain the formation of the Grand Canyon. 2 . Review. What is an acquired characteristic and what role did Lamarck think they played in evolution. 3 . Review. What is artificial selection. Define the term variation.. Discuss the fact that variation occurs within, as well as between, species.. Describe the differences between continuous and discontinuous variation, using examples of a range of characteristics found in plants, animals and other organisms.. a group of organisms that can reproduce only with one another.. vocabulary. word!. Classifying or grouping organisms in certain ways allows scientists to better understand how they interact in nature.. A. Species overproduce offspring that may survive an environment.. B. There is little variation among members of a population.. C. Competition for resources, mates, and space among species leads to a struggle to survive.. His Case. THINK ABOUT IT . Darwin wrote up a complete draft of his ideas about natural selection, but he put the work aside and didn’t publish it for another 20 years. . Darwin knew that his own theory was just as radical as Lamarck’s, so he wanted to gather as much evidence as he could to support his ideas before he made them public.. NICHE. A habitat supplying factors necessary for existence of an organism and its ecological role in regard to food consumption.. Polar Bear-fur. Lives:. Cold environment. Why?. Blend in for hunting and protection. Foldable Notes for Evolution, Natural Selection , Variation & Adaptation Skiados 2017-2018 Why do giraffes have such long necks? From Life Science textbook ( pg 533) A giraffe’s long neck is & . Natural Selection. studied medicine at Edinburgh University (1825-1827) where the sight of blood and surgery without anesthetics repulsed him. studied to become a clergyman at Cambridge University (1827-1831). Sexual and asexual reproduction. Reproduction. advantages/disadvantages. Sexual. Asexual. Needs two parents.. Only one parent needed (quicker).. Produces variation in the offspring.. Identical offspring (no variation).. Human variation: defined . Human variation refers to the fact that there are a range of possible values for each of the numerous physical characteristics of human beings.. People of the same species can have differing phenotypic traits that can be related to:. Describe. the advantages and disadvantages of fossil fuels.. Recall. the equation for calculating weight.. Describe. how the reactivity series can be used to select an appropriate extraction method for a metal. People have more . children. than are able to . survive. .. There are built-in population checks: . disease. , . famine. , and . war. .. Darwin based his theory on his own observations and the writings of Thomas Malthus..