Which of the following is NOT a reason for the limited fossil record of bats?
a) Bats have lightweight skeletons.
b) Bats likely evolved over a short period of time.
c) Bats are small animals.
d) Many bats live in the tropics.

How does food concentration affect yeast activity

Transposon can cause mutations in genes at or near the site of transposon insertion. it is possible for these elements to transpose away from their original site, causing a reversion of the mutant phenotype. in some cases, however, even more severe phenotypes appear when these elements excise from this site, due to events at or near the mutant allele. what might be happening to the transposon or the nearby gene to create more severe mutations?

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger