Most of the wood used for fuel comes from native forests around the world. the harvesting of wood for an energy source has serious environmental implications. identify the environmental concerns of harvesting wood. a) soil erosion b) cost of harvesting c) habitat destruction d) habitat destruction and soil erosion

According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

What is the best-known carbohydrate?