Answer:
Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation.
Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates, the process known as photosynthesis.
I don’t know use your head
By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.
For a dominant allele to be present in the phenotype, it must be present on at least one of the homologous chromosomes in the genotype.
