065043c6fafff79c1dfb268d05d9ac1b.ppt
- Количество слайдов: 9
Pond Water Web
Producers • phytoplankton • aquatic plants
Consumers • • • Largemouth bass Bluegill Crayfish Mosquito larvae Zooplankton Raccoon Tiger salamander Pond frog leeches • • • Snail Bullheads Mallard Great blue heron Snapping turtle Aquatic nymphs Mudpuppy Muskrat N. water snake
Decomposers • AQUATIC WORMS • • Zooplankton Leeches Snail Tadpoles
3. Create 4 food chains • Phytoplankton • Aquatic plants • Phytoplankton • Aquatic plants
4. Use 10 cards to create a food web Must Use: • Pick 4 other animals • • • Phytoplankton Aquatic plants Zooplankton Bullheads (catfish) Great blue heron Aquatic worms • Put the other leftover cards in the paper clip to be collected by teacher
Discussion Questions 1. What would happen to your food chain if the aquatic plants died out because of pollution? - Everything would leave or die
Discussion Questions 2. What would happen to your food web if the population of great blue herons was to double? - some of the other populations would decrease
Discussion Questions 3. Asian carp consume zooplankton, which many fishes typically feed on in their juvenile stages, and have no known predators. How would the introduction of an Asian carp affect your food web? - many populations could decrease - others may not be affected
065043c6fafff79c1dfb268d05d9ac1b.ppt