It is an organelle which helps in appearance of leaf ( color )
Natural selection got rid of the light colored moths and helped the darker moths survive and become more abundant.
Answer:
It is better to compare the average height gain of control and experimental groups of plants to eliminate all other variables.
Explanation:
If you evaluate individual plants, the data may vary. The experimental group is the one where an experimental procedure is performed while the control group does not receive any treatment.
The factor making it difficult for a new firm to enter the market is the barrier to entry.
In science, the practice of classifying organisms is called taxonomy (Taxis means arrangement and nomos mean method). The modern taxonomic system was developed by the Swedish botanist Carolus Linnaeus (1707-1778). ... To distinguish different levels of similarity, each classifying group, called taxon
