Q: Q: What goes through different larval stages? Read this paragraph and choose the correct option from the provided answers: Figure 28.41 All crustaceans go through different larval stages. Shown are (a) the nauplius larval stage of a tadpole shrimp, (b) the cypris larval stage of a barnacle, and (c) the zoea larval stage of a green crab. (credit a: modification of work by USGS; credit b: modification of work by M. Mingorance Rodriguez; credit c: modification of work by B. Kimmel based on original work by Ernst Haeckel). Choices: - octopuses - plants - sponges - crustaceans A:
A: crustaceans

Q: Q: Most chromosomal disorders involve which chromosomes? Read this paragraph and choose the correct option from the provided answers: Most chromosomal disorders involve the sex chromosomes. Can you guess why? The X and Y chromosomes are very different in size. The X is much larger than the Y. This difference in size creates problems. It increases the chances that the two chromosomes will fail to separate properly during meiosis. Choices: - autosomes - ribosomes - protosomes - sex chromosomes A:
A: sex chromosomes

Q: Q: At the anode, liquid chloride ions are oxidized to what? Read this paragraph and choose the correct option from the provided answers: In a Down's cell, the liquid sodium ions are reduced at the cathode to liquid sodium metal. At the anode, liquid chloride ions are oxidized to chlorine gas. The reactions and cell potentials are shown below. Choices: - elemental gas - nitrogen gas - Heavy Gas - chlorine gas A:
A: chlorine gas

Q: Q: Scientists explain the world based on what? Read this paragraph and choose the correct option from the provided answers: Such knowledge of the natural world is only part of what science is. Science is as much about doing as knowing. Science is a way of learning about the natural world that depends on evidence, reasoning, and repeated testing. Scientists explain the world based on their observations. If they develop new ideas about the way the world works, they set up ways to test these new ideas. Scientific knowledge keeps changing because scientists are always "doing science. ". Choices: - changes - patterns - theories - observations A:
A: observations