Answer: Some sticklebacks were stranded in lakes that were formed in the ice age
Answer:
Anaerobic Threshold (AT) heart rate observed for the 100m and 200m sprinters were 178.4 (+ 1.4) and 180.1 (1.9) beats.
Explanation:
Average peak heart rate attained during running were 199.6 (+ 1.7), 199.4 (+ 2.1), 197.6 (3.1), 198.3 (+ 2.4) and 199.3 (13.6) beats. min-1 respectively for 100m, 200m, 400m, 1500m and 5000m. Anaerobic Threshold (AT) heart rate observed for the 100m and 200m sprinters were 178.4 (+ 1.4) and 180.1 (1.9) beats.
A mutation is a genetic error in the creation of DNA. My science teacher compared it to a copier that made a mistake; the DNA is copied from others, but the "copier" messed up, making part of a helix different. Mutations can be genotypes or phenotypes.
Its the first one, the second one and the fourth one! I hope this helps
