Warm Up 9-3-13

1. Warm Up 9-3-13 • Identify which of the following is an example of an inherited trait that increases an animal’s chance for survival. • A. A pride of mountain lions move to a new region when their previous habitat is developed by humans. • B. Packs of wolves are reintroduced into a national park. • C. Male peacocks have bright feathers that make it easier to be spotted. • D. A frog’s brightly colored skin alerts predators that it is poisonous.

2. Answer • Identify which of the following is an example of an inherited trait that increases an animal’s chance for survival. • A. A pride of mountain lions move to a new region when their previous habitat is developed by humans. • B. Packs of wolves are reintroduced into a national park. • C. Male peacocks have bright feathers that make it easier to be spotted. • D. A frog’s brightly colored skin alerts predators that it is poisonous.

3. Warm Up 9-4-13 • If fish in a river begin to die because of pollution, what may happen to the river ecosystem? • A. All organisms in the ecosystem will be affected in some way. • B. All species of organisms in the ecosystem that rely on fish for food will starve and die. • C. The organisms that eat fish will reproduce faster. • D. The abiotic factors, but not the biotic factors, in the ecosystem will change.

4. Answer • If fish in a river begin to die because of pollution, what may happen to the river ecosystem? • A. All organisms in the ecosystem will be affected in some way. • B. All species of organisms in the ecosystem that rely on fish for food will starve and die. • C. The organisms that eat fish will reproduce faster. • D. The abiotic factors, but not the biotic factors, in the ecosystem will change.

5. Warm Up 9-5-13 • Which of the following statements best describes a food web? • A. Many individual organisms of the same species that live in the same space and that share resources. • B. A system that is made up of a community of organisms and their environment. • C. A black bear eats fruit and then spreads the fruit’s seeds through its excretions. • D. All life is connected by the transfer of energy and matter among organisms and their environment.

6. Answer • Which of the following statements best describes a food web? • A. Many individual organisms of the same species that live in the same space and that share resources. • B. A system that is made up of a community of organisms and their environment. • C. A black bear eats fruit and then spreads the fruit’s seeds through its excretions. • D. All life is connected by the transfer of energy and matter among organisms and their environment.

7. Warm Up 9-6-13 • Which of the following are all examples of abiotic parts of an environment? • A. water, food, and a population • B. water, soil, and temperature • C. trees, hills, and rivers • D. algae, fish, and bears

8. Answer • Which of the following are all examples of abiotic parts of an environment? • A. water, food, and a population • B. water, soil, and temperature • C. trees, hills, and rivers • D. algae, fish, and bears

9. Warm Up 9-14-12 • The graph shows the number of seaside sparrows and little marsh crabs in a salt marsh habitat on Georgia’s coast over a five year period. In which year was there a disease that killed off most of the cordgrass, a source of food and shelter for the animals in the marsh? • A. year 1 • B. year 2 • C. year 3 • D. year 4

10. Answer • The graph shows the number of seaside sparrows and little marsh crabs in a salt marsh habitat on Georgia’s coast over a five year period. In which year was there a disease that killed off most of the cordgrass, a source of food and shelter for the animals in the marsh? • A. year 1 • B. year 2 • C. year 3 • D. year 4