Succession and Extinction — Unit test Answers

Earth scientists have concluded that the methods of harnessing energy that have been used over the past two centuries, such as the burning of fossil fuels, are causing climates around the world to change more quickly and suddenly than ever before in human history. Evidence includes increased air temperatures, rising sea levels, and the shrinking of glaciers in Greenland, Alaska, and other regions of Earth. The most complex level of organizational hierarchy that climate change could potentially affect is Earth’s

Which best describes how an organism’s niche is determined?

Scientists use specific levels of organization to analyze the biosphere. The Everglades consist of a large area of subtropical wetlands in Florida. Various species of plants and animals can be found in the Everglades, including panthers, cypress trees, herons, and alligators.The group of ecosystems on Earth that feature climate, vegetation, and wildlife similar to the Everglades is

What kind of display would be the best way to represent the data below?Type of speciesCritically endangered (%)Endangered or vulnerable (%)Plants1370Invertebrates035Freshwater fish937Amphibians730Reptiles528Birds012Mammals221

Review the picture below.Which would be the most accurate title for this picture?

The burrowing owl is found in dry, open areas such as grasslands, prairies, savannas, deserts, farmlands, golf courses, and urban areas throughout most of western United States and Florida, Central America, and most of South America. It makes its home in burrows of other animals and primarily eats insects and small rodents. As humans build more cities, nearby burrowing owl habitats change due to destruction of burrows and loss of prey. Which is the least likely outcome of the habitat changes that are described?

Which is one effect that would most likely result from a tsunami?

An ecosystem has experienced a flood. Which type of plants would you expect to see growing first after the flood?

Which environmental change is considered short term?

Which best matches objects that a scientist would include on a list describing a forest ecosystem?

A hunter illegally kills a wolf in Yellowstone National Park and attempts to bring the wolf's skull back to Florida. Which law is the hunter violating?

Interactions between organisms and their environment impact the organism’s overall population. The jaguar Panthera onca is the largest cat in North America. It is found in areas across the Southwest, including Arizona, New Mexico, and Texas. It is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, and many smaller mammals. Which shows the relationship between the jaguar and turtles?

What is the difference between a community and a population?

How would an increase in nest sites affect a population of pigeons?

Which of these is an organism?

Humans clear-cut a forest. Which is one possible way that animals would most likely be affected by this action?

Which of the following could result in the extinction of a species?

The number of rhinoceroses has decreased to near extinction. How are rhinoceroses classified under the Endangered Species Act?