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Day 10 SURVIVOR Warm Up

Last updated 9 months ago
6 questions
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1
Other Answer Choices:
Most recent common ancestor of Macromildae and Cordulidae
Common ancestor of all lineage of dragonflies pictures
Most recent common ancestor of Aeshnidae and Cordulidae
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  • Usually increases genetic variation by introducing new alleles
  • Happens by chance (random events like natural disasters or small population size)
  • Affects small populations more strongly
  • Happens by movement of individuals or gametes between populations
  • Usually reduces genetic variation within a population
  • Can affect populations of any size
  • Genetic Drift
  • Gene Flow
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3
Complete the passage with the correct terminology:

Bacteria can become antibiotic resistant through __________. When you take antibiotics, the medicine kills most of the bacteria, but some bacteria might have random mutations that make them stronger and able to survive. These __________bacteria live on and start to reproduce, passing their resistance to their offspring. Over time, more of the bacteria in the population become resistant, making the antibiotic __________ effective. This is why it's important to finish all your antibiotics — stopping too soon could leave behind the strongest bacteria, making infections harder to treat in the future.
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How does independent assortment affect genetic variation?

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What is the role of crossing-over in meiosis?

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Why is diversity important in sexually reproducing populations?