HELP M 1. What happened to your breath rate and heart rate as you exercised? *

2. Why do you think the respiratory system took in more oxygen when you were running? *

3. Why do you think the circulatory system was pumping blood faster when you were running? *

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 a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

One of the reasons that stars are so large is because

All ova contain sex chromosomes corresponding to: x y xx xy