Multiple+choice+questions

What is primary succession? A. When lakes dry up B. When forest fires tear down a forest C. When environments develop over thousands of years from scratch D. When animals eat leafs off trees

What are invasive species? A. Animals that are not native to the environment and usually have negative effects B. Native animals to an area C. Animals that always cause distruction D. Animals that always help the environment

Why do owls vomit? A. They feed their babies with it B. They cannot digest the remains of their prey C. They have bad digestive systems D. They have an eating disorder

What are limiting factors? A. Things that increase th population of the environment B. Things that destroy environments C. Things that limit the carrying capacity of an environment D. Things that cause extiction

How do beavers help the ecosystems A. They create wetlands B. They make dams that kill fish on the other side C. They porovide habitats for ducks, cattails and other animals D. A and C