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Wetland Ecosystems
Wetland Ecosystems-Science Grade 5, Alberta, Canada
| Question | Answer |
|---|---|
| One year there are 6 million mosqutoes, and 2 million dragonflies. The city sprays insecticides the next year(on the mosquitoes), and mosquito population is 3 million, and dragonflies are 4 million. What will happen to the populations next year? | The population of both species will go down. Mosquitoes to about 2 million, and dragonflies to about 1 million. |
| Where do mosquito larva get their oxegyn from and how?(e.g. lungs, skin, water, air). | They get it from a air tube or snorkel coming out of the water. |
| Producer | A living organism that produces it's own energy from the sun. |
| The energy source in a food chain | The sun |
| Consumer | A living organism that eats producers or other consumers to gain energy |
| TRUE or FALSE:Every living thing needs energy to survive. | TRUE |
| 2nd order consumer | carnivore or omnivore that eats 1st order consumers |
| 3rd order consumer | carnivore or omnivore that eats 2nd order consumers |
| 1st order consumer | herbivore that eats producers. |
| Food Web | two or more food chains intersecting with each other |
| Food chain | a hierarchical series of organisms each dependent on the next as a source of food. |
| 5 types of wetlands | bog, swamp, marsh, pond,fens |
| Bogs | Form in cool, wet places where drainage is poor. Have lot's of peat and is very acidic. |
| Swamp | Forests that are flooded seasonally by standing or slow moving water. |
| Ponds | Shallow water from rain, snow, or groundwater. May dry out in later summer |
| Marshes | Sloughs where water collects in standing pools. Cat tails, sedges are common |
| Fen | Receive most of their water from groundwater. Less acidic than bogs, and lots of peat. Can look like open grassy fields, or can be wooded. |
| Characteristics of a wetland body of water | Depth is only up to 6M, sun reaches the bottom, No clearly defined beds or banks. |
| 4 main food web roles | energy, producer, consumer, death and decay |
| Decomposers | Fungi, bacteria, insects |
| Living and non-living things interacting in their environment | An Ecosystem |
| Emergent, submergent, and floating zones | What are the three levels in a pond? |
| Emergent Zone | Where plants that emerge from the water grow. e.g.Cattails |
| Submergent zone | Where plants that grow under the water are. |
| Floating zone | Where plants that are on the waters surface grow. e.g.water lilies. |
| What is the life cycle of the duck? | Egg, duckling, adult |
| life cycle of the frog | egg, tadpole, pllywog, adult |
| life cycle of the spicke rush or cattail | plant, seed. |
| Life cycle of the mosquito | egg, larva, pupa, adult |
| life cycle of the dragonfly | egg, adult, baby nymph, nymph |
| life cycle of the fly | egg, larva or maggot, pupa, adult fly |
| life cycle of the snail | egg, baby snail, adult snail |
| life cycle of the caddisfly | egg, larva(in and out of case), adult |
| Human actions that can threatedn the abundance or survival of living things in wetland ecosystems | adding pollutants, chaning the flow of water, trapping or hunting pond wildlife, putting in fertilizers/pesticies, building on a wetland |
| Wetland | A land which is saturated with water and drains poorly. For an area to be dfined as wetlands, that area has to provide conditions which allow signiicant interaction of living and non-living things. |
| Stonewart physical adaptation | long flexible stem |
Created by:
pigeek
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