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Bio MidTerm 2
more biology midterm questions
Question | Answer |
---|---|
What do diffusion and osmosis have in common? | both move particles from high concentration to low |
List 3 ways DNA is different from RNA | Double strand helix, thymine not uracil, deoxyribose not ribose |
What is the main advantage of sexual reproduction? | genetic variation |
Which process makes gametes used during sexual reproduction? | meiosis |
What type of mutation results when a nucleotide is LOST during DNA replication? | deletion |
What type of mutation results when a nucleotide is ADDED during DNA replication? | insertion |
Name the relationship in which both species benefit | mutualism |
What is the name of a relationship in which two species use the same resource? | competition |
List 3 biotic factors | predators, competition, disease |
List 3 Abiotic factors | sun, wind, fire |
Use 3 words to describe an organism that eats insects | consumer, heterotroph, carnivore |
Which step in the food chain contains the most energy? | the first step - producers |
What is a difference between the plant and animal kingdoms? | plants are autotrophs and animals are heterotrophs |
Why are viruses considered "nonliving"? | because they are not made of cells |
What is eukaryotic, multicellular, heterotrophic with cell walls? | fungi |