Biology and Scientific Method Lecture Review

Flashcards covering the 9 characteristics of life, cell differentiation, levels of organization, lab equipment, metric conversions, and scientific method concepts from the lecture notes.

What are the 9 characteristics of life listed in the lecture notes?

1) Cells, 2) Homeostasis, 3) React to Stimuli, 4) Evolve, 5) Metabolism, 6) Organization, 7) Develop, 8) Growth, and 9) Reproduction.

What is cell differentiation according to the notes?

Cell differentiation is when less specialized cells (Stem cells) develop to become more specialized in structure to have a specialized function.

What sequence of organizational levels in living things leads up to an organ system?

Molecules, cells, tissues, organs, and ORGAN SYSTEM.

Which pieces of lab equipment are listed in the notes?

Beaker, Test Tubes, Erlenmeyer Flask, Graduated Cylinders, and Forceps.

What metric prefix scale is represented by the letters K H D B D C M?

Kilo, Hecto, Deca, Base, Deci, Centi, Milli.

How do $23.758\,\text{kL}$ and $2,375,800\,\text{mL}$ compare using standard inequality symbols?

$23.758\,\text{kL} > 2,375,800\,\text{mL}$ (since $23.758\,\text{kL} = 23,758,000\,\text{mL}$).

What are at least 5 components of the Scientific Method mentioned in the notes?

1) Hypothesis, 2) Experiment, 3) Inferences, 4) Predictions, and 5) Data Collection.

Why might a scientist not perform all components of the scientific method or start from different stages?

Depending on the job, you might not do all components, and you can start from different places.

How is a hypothesis defined and characterized in the notes?

A hypothesis must be testable. It is a predicting statement based on prior knowledge and observations that can be supported or not supported by experimental data.

What quote by Sir Isaac Newton is mentioned, and what key factor does it highlight about scientific progress?

"If I have been able to see further it was only because I stood on the shoulders of giants!" It means scientists are able to make discoveries because of other scientists who came before them.

What universal system of units do scientists use, and why do they use it?

Scientists use SI units, which includes the metric system. They use it because it is based on units of $10$, making conversions easier.