Population Biology

Population Biology

Population Biology 2015-2016 MS. MCCABE UNIT 2 - ECOLOGY Standards SC.912.L.17.5 Analyze how population size is determined by births, deaths, immigration, emigration, and limiting factors (biotic and abiotic) that determine carrying capacity. SC.912.L.17.4 Describe changes in ecosystems resulting from seasonal variations, climate change and succession.

SC.912.L.17.2 Explain the general distribution of life in aquatic systems as a function of chemistry, geography, light, depth, salinity, and temperature. Guiding Questions How do environmental and genetic factors work together to cause evolutionary changes in organisms? How do multiple factors interact to determine population

size? How can we describe the conditions that may cause changes in ecosystems over time? Engage 1 sheet for all notes/assignments today More Beans, Please! Beans represent organisms What 2 processes allow the beaker to hold an increasing amount of

organisms? Watch the beans that overflow out of the beaker. What 2 processes are represented by these beans leaving the beaker? 1. Make a list of factors that limit the population of bean organisms from increasing beyond a certain size (carrying capacity). 2. Is it possible to manipulate the size of the population beyond that certain size?

Explore 10/7-8/15 (Population Ecology Lab rabbits, foxes, resources) Explain Crash Course: Population Ecology Video The Texas Mosquito Mystery Vocab Matrix WS

Complete the Life in the Water Graphic Organizer Use your textbook Elaborate Write answers on your own paper 10 pts. 1. Choose any species of plant or animal 2. Tell the population

size (how many individuals) 3. Create a 2 paragraph story that includes the following changes to your population: Births Deaths Immigration Emigration Limiting factors (biotic and abiotic) that determine carrying capacity

Evaluate Write the letter only 1. 1 pt. The diagram shows the flow of energy in a forest ecosystem. One year, a disease affecting lizards caused a widespread decline in their population. Which of the following is the most likely consequence of this event? A.a decrease in the bird population B. an increase in the snake population C. a decrease in the acorn population D.an increase in the insect population

Evaluate Write the letter only 2. 1 pt. In a marsh ecosystem, alligators, woodstorks, muskrats, cattails, ferns, and grasses make up a food web. If a disease eliminates the fern population, which of the following is the most likely consequence? A.The herbivores would consume the decomposers. B. The carnivores would adapt to become herbivores. C. The animals relying solely on ferns for food would die out. D.All trophic levels would be affected except the top consumers.

Evaluate Write the letter only 3. 1 pt. In a marsh ecosystem, alligators, woodstorks, muskrats, cattails, ferns, and grasses make up a food web. If a disease eliminates the fern population, which of the following is the most likely consequence? A.The herbivores would consume the decomposers. B. The carnivores would adapt to become herbivores. C. The animals relying solely on ferns for food would die out. D.All trophic levels would be affected except the top consumers.

Evaluate Write the letter only 4. 1 pt. Scientists that study the effects of global warming predict that a change in Earth's average temperature of even a few degrees will have dramatic effects. One consequence of global warming is the melting of the polar ice caps, which will in turn affect polar bears that use sea ice as a platform for hunting seals. What will most likely happen to the population of polar bears as a result of global warming? A.It will increase as polar bears adapt to other habitats. B. It will increase because polar bears will have fewer predators. C. It will decrease as the habitat suitable for polar bears decreases.

D.It will decrease because polar bears will become easier to hunt. What to staple & turn in Notes with the engage, elaborate, and evaluate pieces The Texas Mosquito/Water Graphic Organizer page

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