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Define partial pressure of a gas. Identify 3 different units used to measure partial pressure. Define torr. What is the PO2 of the atmosphere at sea level? Express in units of torr. Define respiratory pigment and heme. Name the respiratory pigment found in vertebrates and the respiratory pigment common in […]

1. Food resources are rarely distributed uniformly in the environment. Most vary seasonally or have a patchy distribution and can become locally depleted. Give two possible responses of an animal species to depleted food resources in the real world. Explain how they work to solve the problem of limited prey […]

In rabbits, black hair is dominant to brown at an autosomal locus, while the sex-linked recessive allele “a” is epistratic to black or brown, causing white fur. A white male was bred twice. Nine bunnies from a black doe were brown or black only. Three bunnies from a doe were […]

1. The three major domains of life are archaea, bacteria, and eukaryotes. plants, animals, and protists. eukaryotes, prokaryotes, and animals. eukaryotes, prokaryotes, and fungi. bacteria, fungi, and eukaryotes. 2. Organic molecules always contain hydrogen. are always food molecules. are found only in organisms, hence their name. always contain carbon. always […]