University:
Texas A&M University
Course:
BIOL 357 | Ecology
Academic year:

2024
Views:

263

Pages:

7
Author:

marthamanayay9qr13

Ecology Posttest Step 3 1. Step 4 2. Step 5 3. Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden empty in order to observe ecological succession. Which of these will most likely occur first? a. b. c. d. Development of topsoil Growth of weeds and grasses Growth of trees and shrubs Development of a stream Step 6 4 . Step 7 5. Step 8 6. Tropical rain forests have the greatest biodiversity of any type of land ecosystem. How does biodiversity contribute to the sustainability of an ecosystem? a. The presence of more species with different adaptations makes it more likely that some organisms will survive an ecological disaster. b. Greater genetic variation within species makes it more likely that some individuals will survive a disease outbreak. c. The presence of a variety of herbivore species that can feed on a large number of different producer species helps ensure abundant prey for predators in the ecosystem. d. All of the above Step 9 7. A student observing birds in a park records some ways that birds interact with living and nonliving parts of their environment. All the following observations are ways that a bird interacts with nonliving parts of its environment except— a. b. c. d. reacting to morning sunlight by singing drinking and taking a bath in a puddle of water responding to cold temperatures by fluffing its feathers feeding insects to its chicks Step 10 8. Step 11 9. Step 12 10.