Answer:
True.
Explanation:
Antigen may be defined as the chemical that has the ability to evoke the and immune response and can harm the living organisms. The specific antibody are produced against the immune response.
The antigens has evolved different mechanisms to prevent themselves from them the immune system of the host. The antigenic shift is the most common change that might occur in viruses that helps the antigen to protect itself by changing its genetic material. No anti viral drugs are available for the viruses.
Thus, the answer is true.
True
hoped this helped if so please give me brainlest.
Answer:if you want it to be faster add water
Explanation:
Answer: Carbohydrates are the body’s main source of energy. The fruit, vegetables, dairy, and grain food groups all contain carbohydrates.
Carbohydrates are the body’s main source of energy but Fats give you more energy. They help the body absorb certain vitamins. Many foods naturally contain fats, including dairy products; meats, poultry, seafood, and eggs; and seeds, nuts, avocados, and coconuts.
The burger would have more energy from eating it because it has a large amount proteins in it that can help your body. A apple can give you energy too because it is a carbohydrate but it wouldn’t be enough.
Answer:
The ability to produce sweat to cool their bodies.
Explanation:
Evolution may be defined as the change in the the characteristics of the species with respect to time. The process of the natural selection plays an important role in evolution.
As the humans are living in hot and dry areas, this allow the change in their physiology and genes that help them to survive according to the environment. The humans produce more sweat. They have well developed sweat glands. These glands help in the production of sweat that ultimately causes cooling in their body.
