Answer:
A gene is a segment of a DNA strand.
The answer is a. Plants, algae, and certain Protista
Answer:
The elephant is getting Energy
Answer:
The correct option is Number 1. AaBb x AaBb
Explanation:
Genes can be described as basic hereditary units. The genes are made up of DNA.
A gene carries two alleles for a particular trait. These alleles are present at the same loci in the homologous chromosomes. If the two alleles are similar then they are termed as homozygous e.g AA, BB. If the alleles for a trait are different then they are termed as heterozygous e.g Aa and Bb.
I believe another term for Natural Selection, based off of the answers provided, I would say C, Survival of the Fittest.