Succession
Biomes
Cycles of Nature
Food
Other
100

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100
How are biomes classified by scientists?
Biomes are classified according to similar climates, plants, and animals.
100
In what forms can water be found on Earth?
Solid (ice), liquid (water), and gas (vapor)
100
What is the difference between a food chain and a food web?
A food chain shows the flow of energy between a certain group of organisms. A food web is a complex system of food chains and shows all of the relationships in an ecosystem.
100
True or False? A moose eating a balsam fir is an example of a predator-prey relationship.
False... (no chance for escape)
200
An area where a glacier has just melted away will begin the process of ________ succession.
Primary (succession)
200
What biome do we live in?
Temperate Deciduous Forest
200
Identify four processes that contribute to the water cycle.
Evaporation, Transpiration, Condensation, Precipitation, Respiration
200
What are the three rules for writing a food chain?
Everything should be biotic (alive!) All food chains mush start with a producer. All food chains have arrows showing how the energy is passed along.
200
What is the difference between a primary consumer and a secondary consumer?
A primary consumer eats plants. A secondary consumer eats other animals.
300
What is a pioneer species? Give an example.
Pioneer species are the first organisms to live in an area. Ex: lichens, mosses, hardy grasses...
300
Why is the Tundra often referred to as the "cold desert?"
The Tundra has cold temperatures and very little precipitation.
300
In the Nitrogen cycle, identify an unusable form of Nitrogen to humans.
Nitrogen gas (N), found in the atmosphere.
300
Identify the four reactants needed for photosynthesis to take place.
Water, carbon dioxide, chlorophyll, and sunlight.
300
What is the difference between a scavenger and a decomposer? Give an example of each.
A scavenger (turkey vulture) eats dead animals. A decomposer (mushroom) eats dead animals and breaks them down in order to add nutrients to the soil.
400
What is the final stage of succession called?
Climax Community
400
Which land biome in the most biologically diverse?
Tropical Rainforest.
400
What is the role of bacteria in the Nitrogen cycle?
Waste material, dead plants, and animals are broken down by bacteria which returns Nitrogen to the soil or into the atmosphere.
400
Are the consumers found at the top or bottom of an energy pyramid? Explain.
Top... They require energy from the producers below them.
400
Describe succession that takes place in an abandoned field.
Weeds appear first, followed by larger plants and trees. Animals move into the space as well, and eventually (over a long period of time) a forest develops.
500
How does secondary succession differ from primary succession?
Primary succession happens in an area where organisms and soil are NOT present. (Secondary succession happens in an area where organisms and soil are present).
500
What is the difference between coniferous trees and deciduous trees?
Coniferous trees keep their leaves (needles) all year long and have seed-bearing cones. Deciduous trees lose their leaves in the Fall and produce seeds in a fruit.
500
Describe the role of animals in the Nitrogen cycle.
Primary consumers eat plants. Secondary consumers eat other animals. Animals produce waste which is broken down by bacteria and absorbed by the soil.
500
Explain the following statement: The number of balsam fir in a community INDIRECTLY affects the number of wolves in the same community.
Balsam fir provides food for the moose who are eaten by the wolves. Therefore, if the balsam fir population decreases, then the moose population will decrease, thus decreasing the food supply for (and the population of) wolves.
500
Describe why a lawn does not usually go through the process of succession.
Is is constantly being "disturbed" by human influences... mowing, weeding, fertilizing, etc.
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