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Ch. 1 Review Populations & Communities Lesson 1 Big Ideas • An organism gets the things it needs to live, grow, and reproduce from it’s environment. • Biotic and abiotic factors make up a habitat. • The levels of organization within an ecosystem are organism, population, and community. • Click the link to watch the Ecosystems Song: http://www.youtube.com/watch?v=GUY_LK_lOc&feature=related What level of ecological organization would this lizard be? A. Community B. Ecosystem C. Organism D. Population What level of ecological organization would this lizard be? A. Community B. Ecosystem C. Organism D. Population • This red panda gets the things it needs to live, grow, and reproduce at the Knoxville Zoo. The zoo would be the red panda’s _______________. • This red panda gets the things it needs to live, grow, and reproduce at the Knoxville Zoo. The zoo would be the red panda’s ___habitat_____. The water, dirt, and air in this turtle’s habitat are ___________ factors. The water, dirt, and air in this turtle’s habitat are ___abiotic___ factors. What is a biotic factor in this picture? What is a biotic factor in this picture? Any of the plants on the windowsill Which level of ecological organization is displayed in each of these pictures? Which level of ecological organization is displayed in each of these pictures? Populations The two populations below belong to two different species. They interact with each other and live in the same area. What level of ecological organization do they represent? The two populations below belong to two different species. They interact with each other and live in the same area. What level of ecological organization do they represent? Community Identify the levels of ecological organization in this picture: 1. organism 2. population 3. community 4. ecosystem Lesson 2 Big Ideas • Populations can change in size when new members join the population or when members leave the population. • Some limiting factors for populations are weather conditions, space, food, and water. What is the population density of “mini” T-Rex’s on the 3 ft by 4 ft piece of land below? Remember… • Population Density= Number of Individuals Unit Area What is the population density of “mini” T-Rex’s on the 3 ft by 4 ft piece of land below? 1 mini T-Rex per ft2 What are two ways to leave a population? What are two ways to leave a population? 1. Emigration 2. Death What are two ways to join a population? What are two ways to join a population? 1. Immigration 2. Birth What are factors that limit population growth? What are factors that limit population growth? Water, food, living space, and weather conditions Lesson 3 Big Ideas • Every organism has a variety of adaptations that are suited to its specific living conditions to help it survive. • Click the link to watch the Adaptations Song: http://www.youtube.com/watch?v=l1WzDLCHmA&feature=related • Two major types of interactions among organisms are competition and predation. • The three main types of symbiotic relationships are mutualism, commensalism, and parasitism. • Click the link to watch the Symbiosis Rap Song: http://www.youtube.com/watch?v=xNm7dg3BiyU&fea ture=related What is the term for young Simba’s role in his habitat? Examples: • He drinks at the watering hole • He eats meat that his parents feed him • He plays with his friend, Nala • His Dad teaches him how to pounce and catch prey • He will one day become King of Pride Rock What is the term for young Simba’s role in his habitat? Niche Examples: • He drinks at the watering hole • He eats meat that his parents feed him • He plays with his friend, Nala • His Dad teaches him how to pounce and catch prey • He will one day become King of Pride Rock • What type of interaction among organisms is shown in the picture? • What type of interaction among organisms is shown in the picture? Predation • The children are feeding the seagulls. What type of interaction is taking place among the seagulls that are trying to eat the same bread? • The children are feeding the seagulls. What type of interaction is taking place among the seagulls that are trying to eat the same bread? Competition What type of symbiosis is shown in the pictures below? What type of symbiosis is shown in the pictures below? Commensalism What type of symbiosis is shown in the pictures below? What type of symbiosis is shown in the pictures below? Parasitism What type of symbiosis is described in the cartoon? What type of symbiosis is described in the cartoon? Mutualism What type of symbiosis is shown in the pictures below? What type of symbiosis is shown in the pictures below? Mutualism Lesson 4 Big Ideas • Unlike primary succession, secondary succession occurs in a place where an ecosystem currently exists. • Click the link to watch the Succession Song: http://www.youtube.com/watch?v=rzE6BNNL ew0&feature=related Which kind of succession would occur in the area displayed below? Which kind of succession would occur in the area displayed below? Secondary succession Which kind of succession would occur in the area displayed below? Which kind of succession would occur in the area displayed below? Primary succession Which kind of succession would occur in the area displayed below? Which kind of succession would occur in the area displayed below? Secondary succession Which kind of succession would occur in the area displayed below? Which kind of succession would occur in the area displayed below? Secondary succession