Which Of These Examples Illustrates Deductive Reasoning

Question: What illustrates a property that emerges at the community level?

Answer: This emergent property emerges at the community level, due to the interactions among prokaryotic species forming the biofilm. Read about levels of biological organization in and emergent properties.

Question: Select the most accurate statement about the interaction between a tree and its physical environment.

Answer: A tree and its physical environment alter each other.

Question: The universal genetic language of DNA is common to virtually all organisms on Earth, however diverse. What is the best explanation for this fact?

Answer: All living things share a common genetic language of DNA because they share a common ancestry.

Question: Select the correct statement about the process of scientific inquiry.

Answer: It is possible to test hypotheses, such as those involving historical events, without conducting experiments.

Question: Which of these examples illustrates deductive reasoning?

Answer: You learned in elementary school that as temperature drops, liquids change into solid form. You are given an unfamiliar liquid and hypothesize that it will become solid if you put it in the freezer.

Question: What is the meaning of Darwin’s expression “descent with modification”?

Answer: Descent with modification refers to evolutionary change over time.

Question: In 1959, doctors began using the powerful antibiotic methicillin to treat infections of Staphylococcus aureus, but within two years, methicillin-resistant strains of S. aureus (MRSA) appeared. How did the resistant strains of S. aureus emerge?

Answer: Staphylococcus aureus bacteria that were able to synthesize cell walls using a protein that was not affected by methicillin survived the methicillin treatments and reproduced at higher rates than did other individuals. Over time, these resistant individuals became increasingly common.

Question:

Answer: The action of natural selection on beak length in soapberry bug populations varies with the environment.

Question: What happened in the soapberry bug population in central Florida when the bugs began to feed on smaller goldenrain tree fruits?

Answer: Bugs with shorter beaks had more access to food, allowing them to produce more offspring.

Question: Identify the pair of homologous structures.

Answer: Maple leaf and oak leaf