Plant cells have a cell wall , chloroplasts , and a vacuole , animal cells do not not.
Answer:
natural selection operates primarily on characteristics that are tied to reproductive fitness.
Explanation:
Based on the information provided within the question it can be said that this is due to the fact that natural selection operates primarily on characteristics that are tied to reproductive fitness. In other words natural selection keeps those traits that allow the species to live long enough in order to reproduce but does not weed out many harmful conditions and non-adaptive characteristics if the species reaches reproductive age.
The correct answer is letter A
Correlational method is the type of research that seeks to explore relationships that may exist between variables, except the cause-effect relationship. The study of the relationships between variables is descriptive because there is no manipulation of variables, with prediction being the most frequently established type of relationship.
Answer:
Francis Scott Key was being held on a British ship off of the coast.
Explanation:
There's not that much more to it :)
Answer:
a.
Explanation:
The first drawback is basically money. It takes loads of money to lead researches, because you either have to pay a lot of people to collect these data or do it yourself and take years to find a numerous group to provide a good amount for a trustworthy, important research.