Answer: Option 'a' is correct.
Explanation:
Researchers can isolate a single factor and examine the effect of that factor alone on a particular behavior through use of a choices is an experiment.
As experiment means when a hypothesis is tested scientifically and check when the cause is changed what would effect that factor alone.
whereas correlational study is the study of two variables understand it and develop the statistical relationship between them without affecting from any variable.
Hence, option 'a' is correct.
Answer: "social proof" .
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DNA ( deoxyribonucleic acid) is the molecule that contains the genetic code of organisms DNA is it still an organisms it helps make proteins for your body
The gene is a basic physical unit of inheritance. It is past of my parents as treats jeans are arranged in one after another on structures called chromosomes.
The definition of chromosomes is a thread like structure of DNA that carries genes. TheX or Y gene that determines whether you will be a boy or a girl is an example of chromosomes.
Pro Tien is one of the three main classes of food. Proteins are made of amino acid, which function as a cells “ building blocks” protein is found in many foods and it helps you grow and to mend themselves.
Heredity refers to genetic heritage passed down by our biological parents. It’s why we look more like them, it’s the transmission of traits from one generation to the next, this means the traits are physical as in like how your blood is you can get certain diseases passed down from family or your hair or eye color or tallness and shortness really anything.
A trait is a specific characteristics of an organism the genetic contribution to a trait is called the genotype.
Hope this help sorry if I didn’t:)
