Biology Unit 1

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8 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
How do scientists develop hypothesis? (pg 5)
They use preexisting data, logical inferences, or an imaginative guess.
What was the responding variable in Redi's experiment? (pg 9)
The # of maggots that came (if any)
How did spallanzani's investigation improve upon needhams work? (pg 11)
It added constants that made it more reliable. It also showed that needhams work didnt take into account the fact that some organisms can fit through.
What improvement did Pasteur make to Redi's experiment? (pg 13)
He added the constant of air, which made the outcome more powerful in meaning.
What is sexual reproduction? (pg 17)
Two cells from different parents unite to produce the first cell of an offspring
What is metabolism? (pg 18)
The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes
How can a graph help biologists analyze data? (pg 25)
They show the direct impact of the independent variable (X axis) on the dependent variable (Y axis) and allows for easy visual understanding
What are microscopes used for? (pg 26)
They are used for seeing specimens up close and with better sight that way you can make more accurate analysis