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States of Matter 111
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 5
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Ketones 5
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Amines 5
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Polymers 5
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Biomolecules 14
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Proteins 25
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Enzymes 5
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Lipids 14
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Metabolism 40
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Vitamins 6
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Hormones 6
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Prodrugs 5
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Cell Theory 12
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Nucleus 5
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Cell Cycle 18
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Ecosystem 36
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Biomes 25
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Food Chains 16
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Biodiversity 28
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Habitat 5
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Skeletal System 117
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Nervous System 124
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 5
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 5
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Mammals 106
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Anatomy 2
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Physiology 27
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Reproduction 26
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Behavior 63
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Bacteriology 33
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Virology 34
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Mycology 16
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Parasitology 59
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Bio Enzymes 21
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Bio Hormones 32
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Ecology Quizzes, Questions & Answers
Recent Ecology Quizzes
Questions: 13 | Attempts: 17961 | Last updated: Oct 23, 2025
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Sample QuestionWhat do the arrows represent?
Questions: 18 | Attempts: 131 | Last updated: May 6, 2025
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Sample Question
Questions: 12 | Attempts: 1336 | Last updated: Oct 2, 2025
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Sample QuestionTermites are small insects that eat wood causing so much damage that they can eventually cause a house to fall down. However, termites cannot make enzymes that digest cellulose, the main component in wood. A small protozoan called Trichonympha sphaerica lives inside the termite’s gut and excretes enzymes to break down cellulose. However, the protozoa itself cannot make the enzymes. Instead, a species of bacteria that lives inside the protozoa produces the enzyme. What type of relationships are described in this passage? (Standards 6.1f, 6.1g, 6.3a)
Questions: 12 | Attempts: 322 | Last updated: Oct 22, 2025
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Sample Question1. Termites are small insects that eat wood causing so much damage that they can eventually cause a house to fall down. However, termites cannot make enzymes that digest cellulose, the main component in wood. A small protozoan called Trichonympha sphaerica lives inside the termite’s gut and excretes enzymes to break down cellulose. However, the protozoa itself cannot make the enzymes. Instead, a species of bacteria that lives inside the protozoa produces the enzyme. What type of relationships are described in this passage? (Standards 6.1f, 6.1g, 6.3a).
Questions: 19 | Attempts: 696 | Last updated: Mar 21, 2025
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Sample QuestionIf the flow of energy in an Arctic ecosystem goes through a simple food chain from seaweeds to fish to seals to polar bears, then which of the following is TRUE?
Questions: 10 | Attempts: 299 | Last updated: Mar 21, 2025
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Sample QuestionLadybugs eat aphids, which are a source of protein for the ladybugs. Which of these terms best describes the relationship between the ladybugs and the aphids?
Questions: 24 | Attempts: 241 | Last updated: Apr 9, 2025
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Sample QuestionComponents of conceptual, numerical and analog models can include:
Questions: 19 | Attempts: 59574 | Last updated: Oct 22, 2025
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Sample QuestionTemperature, light, air, water, soil, and climate are all __________ parts of the environment.
Questions: 7 | Attempts: 603 | Last updated: Mar 22, 2025
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Sample QuestionMutualism is any relationship between two species that benefits both species.
Questions: 5 | Attempts: 913 | Last updated: Mar 22, 2025
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Sample QuestionA place where living & non-living things interact in a given place
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