Answer:Behavior is determined partly by heredity and partly by experience
Explanation:
Answer:
b. form of a gene
Explanation:
An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Genotypes are described as homozygous if there are two identical alleles at a particular locus and as heterozygous if the two alleles differ.
Answer: D. Surgical removal of a gland.
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Answer: Healthy.
Explanation:
An environment is said to be healthy when it has all the components such as parks, forests, houses, trees, schools contribute favorably to the people that living the environment.
Human beings needs food, shelter and better quality of life. These are the basic needs of human beings and hen it is full filled it means that they are having a healthy environment to live in.
Relative dating best helps determine fossil age. It's where layers of sedimentary rock and fossils pile up on top of each other; the oldest fossils being in the bottom layer and the youngest in the top.
