Answer and Explanation:
Red Rock Canyon is an area of universal geologic interest, located a few miles west of Las Vegas within the Mojave Desert. Many experienced geologists visit the Red Rock; they are surprised by the vivid colors of rocks, natural beauty, and rock formations. A visual display takes million years to make the masterpiece known as the Red Rock Canyon National Conservation area. About 500 million years ago, Red Rock Canyon was found at the bottom of an ocean basin. Limestone accumulated in this ocean basin, which contains the fossils of sea life. The tracks of two-footed meat-eating dinosaurs have been found in the Aztec Sandstone. The tracks of small animals such as spiders, scorpions, early mammals, and proto-mammals were also found. The fossils and rock layers that are found in Red Rock Canyon provide evidence for Earth’s geologic history. Paleontologists are still searching these areas.
<span>At the end of meiosis II, compared to the DNA from the original cell, the DNA in each of the four new cells is C)half as much and genetically different from the original. Meiosis is the type of cell division in which the genetic material is reduced by half. Thus, choices B and D are incorrect. Further, the exchange of genetic material between homologous chromosomes so-called the crossover occurs during meiosis, so DNA in new cells will be genetically different from the original DNA. Thus, the correct choice is C.</span>
Answer: A = nucleus, B = plastids , C = ribosomes , D = cytoplasm
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Answer:
phylum Annelida and and leeches
Explanation:
Human eye color is an example of a phenotype that results from the interaction of multiple gene products.
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Is eye color determined by genetics?</h3>
- A person’s eye color results from pigmentation of a structure called the iris, which surrounds the tiny black hole which is located in the center of the eye (the pupil) and helps control the intensity of the light that enters the eye.
- The color range of the iris is from very light blue to dark brown. Brown is that the most frequent eye color worldwide.
- Eye color is decided by variations in a person’s genes.
- Most of the genes related to eye color are involved in the production, transport, or storage of a pigment called melanin.
- Eye color is directly associated with the amount of melanin in the front layers of the iris. People with brown eyes have an outsized amount of melanin in the iris, while people with blue eyes have much less of this pigment.
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