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Louisiana LEAP 2025 Biology LS4 (Evolution and Classification) overview quiz quiz

14questions. Pick an answer and you'll see why right away.

  1. The forelimbs of a human, a whale, and a bat have the same basic bone arrangement but different functions. These are:

  2. Which is generally considered the strongest line of evidence for how closely two species are related?

  3. If two species have very few differences in a shared gene, this suggests they:

  4. Which is one of the conditions required for natural selection?

  5. A population of beetles lives on dark bark, where birds easily spot light beetles. Over generations the population most likely becomes:

  6. An adaptation is best described as:

  7. A river splits a population so the two groups can no longer interbreed, and over a long time they become unable to produce fertile offspring together. This is:

  8. A species is most likely to go extinct when the environment changes and:

  9. Which list shows classification levels from broadest to most specific?

  10. On a cladogram, a branch point (node) represents:

  11. Two species share a more recent branch point with each other than with a third species. This means:

  12. Biodiversity is best described as the:

  13. An ecosystem with high biodiversity is more likely to survive a disease outbreak because:

  14. Biodiversity arises from evolution because: