The answer is; The moths will evolve due to selective pressure.
The allele for dark colored moths will be favored by natural selection over the allele for light-colored moths. This is because of the selective pressure of predation. Black moths are able to camouflage in their environment while light-colored moths stand out to their predators. More black moths are therefore able to pass down their genes than light-colored moths. Successive generation will, therefore, have more and more black moths.
Answer:
The correct option is B. Prokaryotic
Explanation:
A prokaryotic cell can be defined as a cell which is unicellular and does not have any membrane-bound organelles present in it. Scientists claim that the earliest form of life was in the form of prokaryotic cells. The bacteria and archaea bacteria come under the category of prokaryotes.
The prokaryotic cell lack a nucleus. It's DNA material is present in a region called the nucleoid inside the cytoplasm of the cell.
Answer:
Radiometric dating methods
Explanation:
Absolute dating is the process of determining an age on a chronological or specified time scale in which events occurred in archaeology and geology. Absolute dating can be determined by using properties of the atoms that make up materials.
The most common method of absolute dating uses by geologists is radiometric dating methods which is based on the natural radioactive decay of certain elements such as potassium and carbon found in the rocks. By comparing the ratio of parent isotope with a known half-life to daughter product in the rock, the age of the rock can be determined.
The carbon-14 isotope is used in radiocarbon dating, but is only useful for measuring recently formed rocks in the geologic past. The decay of Potassium-40 isotope known as potassium-argon (K-Ar) method allows dating of materials that up to 1,000 billion years old.
Answer:
A tree will get wider by the secondary growth of the cells. This happens when the cell growth of the cambia or lateral meristems causes them to elongate and become primary tissue.
The site below gives a detailed description of secondary growth.
https://www.arborday.org/trees/RingsTreeNatomy.cfm
The internet as in social media? well if it is that it causes a severe decline in grade with teens and it also makes the numbers for depression cases go up with younger kids because they are the main consumers in social media
