Warm-Up Type your response in the box.
Think about the systems around you. For example, you're reading this text on a computer system. Write a definition
for the word system.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

Which of the following typically characterizes a tropical rainforests