Answer:
The correct option is D.
Explanation:
In the year 1952, two scientists, Hershey and Chase conducted a series of experiments that helped to establish the fact that DNA is a genetic material. The DNA is located inside the nucleus of living cells in form of chromosomes and its the determinant of traits that are found in living organisms. During protein synthesis, the information in the DNA molecule is encoded into an RNA molecule and this is used in the production of protein, thus, DNA actually directs all the happen in the living cells.
The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels. These are important steps in the evolutionary development of animals.
Answer:
The beak size will either increase or decrease, depending on the past evolution.
Explanation:
Answer:
Responses may vary but should include some or all of the following information:
Aggression is a verbal or physical behavior that is intended to harm. Violence, on the other hand, is an aggressive behavior whose purpose is to abuse or harm another. An action can be aggressive without being violent, such as when one spreads gossip about another person. However, all violent acts are aggressive by definition.
Explanation:
Answer:
Explanation:
Well a person can be asymptomatic for loads of viruses not just coronavirus. There is no way of knowing if someone is asymptomatic without having a test done. Many asymptomatic people will go on to get a test and then show symptoms a few days or so later.