Answer:
individuals do not evolve, as each individual's genes do not change, and evolution is defined as the change in allele frequencies over time.
Explanation:
The correct answer is A.
The official guidelines from doctors state that infants should start consuming solid food after the age of six months. In order for the infants to be safe and healthy, they need to be able to sit up, support their back and chew safely before being given solid food.
Answer:
Enzyme
Explanation:
Enzymes are the bio-catalyst that serve to accelerate the metabolic reactions occurring in a living cell. All the metabolic reactions of organisms are catalyzed by enzymes. Each metabolic reaction is catalyzed by specific enzyme. Absence of that particular enzyme leads to absence of the respective product. Since genes code for protein which regulate the specific trait, absence of enzyme does not allow the expression of that trait.
Example: Absence of enzymes for chlorophyll synthesis would lead to absence of chlorophyll from leaves of the green plants.
Answer:
Answer is C. A number of relevant variables are assumed to be constant.
Explanation:
The term "other things equal" is a Latin term "ceteris paribus". This term is very important in economics because it has solved the issue of having difficulty in isolating different variables that may change the outcome of ones study. That is, independent variables that are affecting dependent variables.
Answer:
That'll be a "Long term change".
Goodluck with your test! :)