Bio 101 Exam 1 Vocabulary

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Across
  1. 2. Bats are more closely related to humans than they are to birds. Yet, bats and birds both have wings. Bat wings and bird wings are an example of __________ structures.
  2. 5. leads to the diversification of an organism
  3. 6. Still alive; a species that exists today
  4. 7. The dodo bird once lived in Madagascar. However, no dodo birds remain; therefore, dodo birds are said to be ___________.
Down
  1. 1. This type of evolution leads to the production of analogous structures.
  2. 3. Isolation The cause of speciation due to pre-zygotic and post-zygotic barriers.
  3. 4. Horses and donkeys can breed and produce a mule. The