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35 Cards in this Set
- Front
- Back
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What are species |
Organism so it like they can produce fertile offspring |
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What is population |
A group of species that live in the same area |
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What is a community |
A group of different populations living together |
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What is a biosphere |
All of the earth where life exist |
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What is an ecosystem |
All the living things in the area along with the nonliving parts of the environment |
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Levels of organization |
Organelles cells tissues organs organ systems organisms species communities ecosystems biome biosphere |
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An organism that only eats other animals |
Carnivores |
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An organism that eats both plants and animals |
Omnivores |
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An organism that only eats plants |
Herbivores |
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What do decomposers do |
Break down dead and decaying organisms |
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Do you find more organisms at the bottom or top of the food web why |
The bottle because as you go up the food chain you would only use 10% of the organisms they consume |
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In an energy pyramid where is the greatest amount of energy found |
Producers |
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What do plants need an order for photosynthesis to occur |
Sun |
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Where do you find producers herbivores and carnivores all on the food pyramid |
Producers on the bottom herbivores the second Carnival is the 3rd and the 4th |
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How does carbon return to the atmosphere during the carbon cycle |
Plants absorb carbon dioxide animals eat plants animals exhale co2 dead plants and animals decompose in the soil plants absorb carbon soil we burn fossil fuels |
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How do animals obtain their carbon what micro molecules contain carbon |
Animals eat to obtain their carbon carbs lipids proteins nucleic acids |
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What is an autotroph |
Makes its own food |
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What's a heterotroph |
Uses other organisms for food and energy |
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What is a producer |
Gives out energy autotroph |
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Consumer |
Consumers Energy heterotroph |
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How does nitrogen get were turned into the soil during the nitrogen cycle |
N2, Into animal waste, decomposition |
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Evaporation |
Liguid to gas |
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Concentation |
Retiring to liquid to gas |
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Participation |
Return to the earth |
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Runoff |
Water runs down side of hill |
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Food chains |
Show one feeding relationship |
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Food webs |
Shows all of the feeding relationships in ecosystem; link food chains together |
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In the food web where are decomposers to be located |
Bottom |
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What is the primary source of energy in an ecosystem |
Producers |
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What allows nitrogen in animal waste to be broken down for plant roots |
Nitrogen fixation (bacteria) |
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What is nitrogen fixation |
Returns the unstable N2 to N3- |
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An organism that breaks down dead and decaying matter is what |
Decomposers |
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How do plants obtain carbon |
Taken in and carbon dioxide |
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The 4 trophic levels |
Tretiory Secondary 1st level Primary |
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Explain why energy pyramid is shaped like a pyramid |
Because most of its energy is located at the bottom of the pyramid |
