Biology Chapters 1 to 3

Which of the following is a key characteristic of living organisms that is demonstrated when a plant's roots grow downward and its shoot grows upward?

A gradual shift in butterfly coloration over generations exemplifies which characteristic of living organisms?

What is the primary function of DNA, a molecule common to all known life forms?

Which is NOT necessarily a characteristic of living things?

How do living organisms maintain a stable internal environment when faced with external changes?

Which set of conditions apply to only living organisms and not to viruses?

What determines the classification of viruses as non-living?

If a species of birds develops beaks more suited to cracking seeds over time, which characteristic does it demonstrate?

Which experimental design best assesses the impact of Bt toxin on bee survival?

Which question falls outside the scope of the scientific method?

What type of relationship do observational studies typically identify?

What relationship can experimental studies effectively establish?

A researcher wants to study the effect of diet soda on diabetes rates. Which would be the best way to start this type of study?

A scientist is designing a study to investigate the impact of high levels of sugar consumption on mood. How can they ensure they have a controlled comparison?

If someone performs a casual observation of behavior, what primary limitation will need to be addressed before drawing conclusions?

Which of the following best represents an experimental study that could be used to determine whether or not consuming coffee late at night will cause insomnia?

In the bat study, what was the primary factor that researchers manipulated to observe its effect on the bats?

If the researcher's hypothesis was that Geomyces destructans causes WNS, which finding from the study would provide the most support for this?

Considering the experiment's setup, which group is most likely acting as a negative control group?

Based on the experiment setup, what was the core purpose of having the Group 2 in the study?

If a study demonstrates that a control group survives while treatment groups succumb to a disease, what does this suggest about the treatment, assuming a properly controlled experiment?

If research is influenced by researcher's personal biases, what is a potential outcome?

In a study, if a hypothesis tests a treatment and it results in a control group surviving more often; what would be a suitable interpretation?

When analyzing a graph in a scientific study, which factor is crucial for making sound conclusions?

What is the primary method by which original scientific research is evaluated before it's considered part of the broader scientific knowledge?

A patient presents with a cough, wheezing, and fever. According to the provided scenario, which of the following represents the observable and verifiable facts?

In scientific practice, a well-supported hypothesis or group of hypotheses that endures through time and is adaptable with new evidence, often evolves into a:

The pumping action of the human heart circulating blood throughout the body is best described as a scientific:

A doctor's preliminary conclusion diagnosing carpal tunnel syndrome based on a patient's symptoms falls into which category before testing?

If a scientific explanation is labeled as 'tentative and dynamic', what key aspect of its characteristics is being emphasized?

Why is peer review process essential to scientific work?

In a doctor's office, what distinguishes the observable facts from interpretations of the patient's health?

What characteristic must a specimen possess?

Identify the central element common in organic molecules.

Which of the following monomers can be formed commonly from Earth's atmospheric components?

In the formation of hydrogen peroxide ($H_2O_2$), what type of bond is created when hydrogen and oxygen share electrons?

What type of bonds cause individual water molecules to orient toward one another?

Which of the following best distinguishes ionic bonds from covalent bonds?

When calcium ($Ca^{++}$) and chloride ($Cl^−$) interact, what kind of bonds are formed?

A carwash treatment causes water to bead on a windshield. Which property is MOST likely associated with the treatment?

What does the pH scale directly measure in a solution?

Within living systems, which of these substances plays a crucial role in many chemical reactions?

How many different types of amino acids are typically used to construct proteins?

Which specific amino acid is the first to be incorporated into every protein during its synthesis?

If a scientist breaks down an antibody into its fundamental chemical building blocks, which molecules would they find?

Which finding would indicate the extraterrestrial origin of a bacterium found on an asteroid?

A characteristic of living organisms is their ability to react to stimuli. Which of the below is the process of maintaining a stable internal environment?