Write a 5 sentence paragraph answering the question below How the pink salmon population has changed over the last 40 years In your explanation, include:
-The source of variation of traits within the population
-environmental factors that influenced the population
-traits or adaptations developed by the population
-evidence that supports the change in distribution of traits over time

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.