Because it was not tested multiple times by other scientists
Answer:
Explanation:
1> Because meat is more calorically dense than vegetables
2>Sunlight is necessary for plants to grow, and to provide energy to warm the earth's atmosphere. Light intensity controls plant growth. Light duration affects plant flowering and animal/insect habits.
3> The pyramid of biomass can be upright or inverted, but pyramid of energy is always upright.
Photosynthesis is a natural process by which trees and plants use energy from the sun and carbon dioxide from the air to make the food they need to live and grow. At the same time, the leaves or needles absorb carbon dioxide from the air. These raw materials flow to plant cells containing chlorophyll.