Word Bank: extinction, Natural selection, Random mutation, fitness, Favorable traits, reproduction, adaptation, environment A million years of natural selection has occurred.
1. EXPLAIN how much different the most recent birds are from the original birds? Compare the original 3 birds to the birds that remain in the 3 environments.

a. How are they the same?
b. How are they different?
c. Why did these changes happen?
2. How does natural selection explain the changes?​

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.