The energy role of a grizzly is that is is a omnivorous consumer because it is not a producer.
A grizzly bear's diet consist of both plants and animals as it relies on the food it eats for energy consuptions. It is incapable of producing energy with photosythesis, hence it is not a producer.
Answer:
An organism's genotype is the set of genes that it carries. However, since an organism's genotype generally affects its phenotype, the phenotypes that make up the population are also likely to change.
Explanation:
For example, differences in the genotypes can produce different phenotypes.
Black stuff from volcanos!
Answer:
there are 4 major classes of biological macromolecules
The neutral theory of molecular evolution proposed that most evolutionary changes are the result of the fixation of neutral mutations by genetic drift. Hence, in this model, most genetic changes in a population are the result of constant mutation pressure and genetic drift.