Describing Populations
Which is an example of a population? The pine trees in a forest All of the pine trees on Earth The pine trees AND the squirrels in the forest The pine trees, the squirrels, AND the soil in the forest Sort each term into the correct category according to whether it will increase or decrease the population size Increase Population Size Births Immigration Decrease Population Size Deaths Emigration Which type of population distribution is shown by the sheep in the picture? Uniform Clumped Random Match each term to its definition Population density The number of individual per unit of area Population Distribution How the individuals are spaced out within their range Geographic Range The area that a population lives in Growth rate How quickly, and in what direction, the population is changing in size Growth Rate: Click on each row of the table and choose the correct description of what is going to happen to the population size at each growth rate. Growth rate What is happening to the size of the population 0 stays the same size 5 increases -4 decreases A population of wolves has 10 individuals. 2 pups are born and 1 wolf emigrates. What is the new population size? 10 12 11 13