Question 1

Which of the following best describes an emergent property in biological systems?

Accepted Answer

A property that arises from the arrangement and interaction of parts within a system, such as consciousness emerging from neural networks.

Question 2

Which of the following is NOT one of the five unifying themes of biology?

Accepted Answer

Homeostasis

Question 3

A scientist observes that a certain plant species grows taller in sunlight than in shade. She hypothesizes that sunlight increases the rate of photosynthesis, leading to more growth. Which step of the scientific method is she demonstrating?

Accepted Answer

Forming a hypothesis

Question 4

Which of the following statements about DNA is correct?

Accepted Answer

DNA contains genes, which encode information for building proteins.

Question 5

Which of the following best illustrates the concept of negative feedback in biological systems?

Accepted Answer

When blood glucose rises, insulin is released to lower glucose levels.

Question 6

Which domain includes organisms that are all eukaryotic?

Accepted Answer

Eukarya

Question 7

Which of the following is an example of inductive reasoning in biology?

Accepted Answer

Observing that all swans you have seen are white and concluding that all swans are white.

Question 8

Which of the following best describes the relationship between science and technology?

Accepted Answer

Science seeks to understand natural phenomena, while technology applies scientific knowledge for practical purposes.

Question 9

Which of the following is a correct sequence of biological organization from smallest to largest?

Accepted Answer

Molecule $$\rightarrow$$ Organelle $$\rightarrow$$ Cell $$\rightarrow$$ Tissue $$\rightarrow$$ Organ $$\rightarrow$$ Organism

Question 10

Which of the following is a key inference made by Charles Darwin in his theory of natural selection?

Accepted Answer

Individuals best suited to their environment are more likely to survive and reproduce.

Question 11

A researcher is studying the effect of a new fertilizer on plant growth. She sets up two groups: one with fertilizer and one without. What is the group without fertilizer called?

Accepted Answer

Control group

Question 12

Which of the following is an example of a hypothesis that is NOT testable or falsifiable?

Accepted Answer

Ghosts cause the lights to flicker in the laboratory.

Question 13

Which of the following best explains why life is considered an emergent property at the cellular level?

Accepted Answer

A cell exhibits properties, such as metabolism and reproduction, that are not present in its individual molecules.

Question 14

Which of the following is a correct statement about the flow of energy in an ecosystem?

Accepted Answer

Energy flows one way through an ecosystem, entering as sunlight and exiting as heat.

Question 15

Which of the following is a characteristic of a scientific theory?

Accepted Answer

It is broader in scope than a hypothesis and supported by a large body of evidence.

Question 16

Which of the following best describes the role of feedback regulation in biological systems?

Accepted Answer

The output of a process regulates that very process, maintaining stability.

Question 17

Which of the following is an example of how science and technology are interdependent?

Accepted Answer

The discovery of DNA structure led to the invention of DNA fingerprinting technology.

Question 18

Which of the following is a real-world example of positive feedback in biology?

Accepted Answer

During blood clotting, each step releases chemicals that accelerate the process.

Question 19

Which of the following best describes the difference between genomics and proteomics?

Accepted Answer

Genomics studies sets of genes, while proteomics studies sets of proteins.

Question 20

Which of the following is a reason why diverse viewpoints are valuable in science?

Accepted Answer

They bring together different ideas and approaches, leading to important inventions and discoveries.

Chapter 1: Evolution, Themes of Biology, and Scientific Inquiry – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards