A disease has spread killing plants in this freshwater ecosystem what is true about the impact of this disease? 1. small fish that rely on the plants for protection will decrease in population

2. the large fish population will increase

3. the oxygen in the water will increase

4. the frog population will increase

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Liquid water turns into water vapor at which step in the water cycle

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls