$$\text{Sunlight} \rightarrow \text{Producers} \rightarrow \text{Consumers} \rightarrow \text{Heat}$$

Question 1

Which of the following is NOT one of the seven characteristics that define life according to the scientific community?

Accepted Answer

They are always multicellular.

Question 2

Homeostasis is best described as:

Accepted Answer

The ability to maintain a steady internal state despite changes in the external environment.

Question 3

Which of the following is an example of an emergent property in biology?

Accepted Answer

The ability of a heart to pump blood, which arises from the interaction of cardiac cells.

Question 4

Energy flow in an ecosystem can be summarized by which equation?

Accepted Answer

$$	ext{Sunlight} ightarrow 	ext{Producers} ightarrow 	ext{Consumers} ightarrow 	ext{Heat}$$

Question 5

Which statement about the cell theory is correct?

Accepted Answer

All cells come from pre-existing cells.

Question 6

Which of the following is NOT a domain of life?

Accepted Answer

Fungi

Question 7

The scientific name for a species consists of:

Accepted Answer

Genus name and species name

Question 8

Which of the following best describes evolution?

Accepted Answer

Heritable changes in populations over generations.

Question 9

Which of the following is the correct order for the Taxonomy Classification System?

Accepted Answer

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Question 10

Which of the following is a eukaryote?

Accepted Answer

Animalia

Question 11

Which of the following is a key difference between science and technology?

Accepted Answer

Science aims to understand natural phenomena, while technology applies scientific knowledge for specific purposes.

Question 12

Which of the following sources is considered the most accurate for scientific information?

Accepted Answer

Peer reviewed journals

Question 13

A scientist replaces the bulb in a flashlight and it works. What does this result indicate?

Accepted Answer

It supports the hypothesis that the bulb was burnt out, but does not prove it.

Question 14

Which of the following is NOT a characteristic of scientific theories?

Accepted Answer

They can never be changed.

Question 15

Which of the following is an example of homeostasis in humans?

Accepted Answer

Regulating internal body temperature regardless of external temperature.

Question 16

Which of the following is a correct statement about DNA?

Accepted Answer

DNA is the substance of genes and is found in chromosomes.

Question 17

Which of the following is a real-world example of energy flow in an ecosystem?

Accepted Answer

Plants use sunlight to produce food, which is then eaten by herbivores, and the energy is eventually lost as heat.

Question 18

Which of the following is NOT a method used to evaluate scientific information?

Accepted Answer

Accepting information based solely on popularity.

Question 19

Which of the following statements about the limits of science is correct?

Accepted Answer

Religion and art are other methods used to understand the world.

Question 20

Which of the following is a correct application of the scientific method?

Accepted Answer

Making observations, forming a hypothesis, testing the hypothesis, and modifying it if necessary.

Chapter 1: Introduction to Biology Today – Study Notes for General Biology

Study Guide - Practice Questions