The answer is A. Amniotic sac
Peppered Moths: An Example ofNatural Selection. ... Light-colored peppered moths were no longer well camouflaged on the darkened tree trunks. The dark colored moths, however, were well camouflaged. Because predators were able to spot the light moths more easily, the darkmoths were more likely to survive and reproduce
Prokaryotic<span> transcription and translation occur simultaneously in the cytoplasm, and </span>regulation <span>occurs at the transcriptional level. </span>Eukaryotic gene <span>expression is </span>regulated<span> during transcription and RNA processing, which take place in the nucleus, and during protein translation, which takes place in the cytoplasm.</span>
Answer:
Three elements, carbon, oxygen and hydrogen, are essential to plant growth and are supplied by air and water.
Explanation:
Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.
Answer: A virus is a living thing and non living thing
Explanation:A virus is posses a genetically material known as DNA and it becomes a living thing when it comes in contact with a living host. A virus in a living host disrupt the genetic material thereby replicating or mutating several clones of its DNA and controlling all living activity of the host.
2. Outside the body of a host, a virus is non living because it forms crystals outside the body of a living host.
