True.
Explanation:
Cardiac muscle and some types of smooth muscle have the ability to contract without any external stimuli.
These muscles are called involuntary muscles.
Involuntary muscle are named so because,these muscles are independent of voluntary control and are controlled by our autonomic nervous system.
These are also known as white or smooth muscle.
Examples, muscles of heart, muscles of alimentary canal etc.
A.
Commuters drive personal vehicles to their places of work: offices, manufacturing plants etc.
Some may use car pooling or mass transit like buses. But too many want the luxury and convenience of coming and going on their own terms.
IMHO car pooling and mass transit needs to be used more to reduce environmental harm.
Microevolution is the change in allele frequencies that occurs over time within a population. This change is due to five different processes: mutation, selection (natural and artificial), gene flow, gene migration and genetic drift.
