I believe the correct response is the third option. Have higher resolution that allows you to view smaller specimens.
Lipids contain more energy per gram because they are fats. They contain about 9 calories per gram
The lining attached to the lungs is called the visceral pleurae.
None of the above
Consumers by definition produce their own food (from sunlight)
Carnivores feed on other animals, herbivores feed on plants, plants create their own food. whereas scavengers feed on dead animals etc