Bio100 Exam 1 Questions and Answers
Q: How is discovery-based science different from hypothesis-driven
science?
✓✓ Discovery Based science- has the goal of finding new information and
serves to form new hypotheses. Hypothesis Driven science- uses
deduction and the scientific method.
Q: What are the steps of the Scientific Method?
✓✓ 1. Do an observation
2. Ask a question
3. Construct a hypothesis
4. Make a prediction
5. Test the experiment
6. Analyze the results
7. Draw a conclusion
Remember: A hypothesis is an educated guess to your question, must be
testable, and can never be proven!
Q: Are large or small sample sizes more accurate for scientific studies?
✓✓ Large sample sizes are more accurate for scientific studies because it
increase the chance of finding a significant difference and leads to a more
precise data.
Q: What is the difference between a hypothesis and a scientific theory?
,✓✓ A hypothesis is an explanation that may or may not have undergone
scientific testing, while a theory is a hypothesis that has undergone
numerous tests over many years and has accumulated a large body of
evidence in support of the explanation.
Q: What are the six qualities of life? Be able to describe each quality and
not just recognize them.
, ✓✓ 1. All living things have cells - Cell is the smallest unit of life. Cell
contains all the material that are necessary for life to exist. Some
organisms are unicellular (only one cell) like bacteria, multicellular (many
cells) like human. Human cells have different function like for nerves or
skin.
2. Living things can sense and response to change - Living things response
to a stimuli. A stimuli could include smells (good or bad), taste, sound,
heat (touching a hot stove), light or darkness, or gravity.
- Homeostasis: When an organism responds to changes in order to keep
its internal environment the same.
3. Living things reproduce - Living things must reproduce to ensure that
their species survives.
4. Living things have DNA - Living things have DNA because it controls
all the characteristics and activities of an organism.
5. Living things use energy - Organisms takes in energy, converts it to
useful forms, and expels energy.
6. Living things grow and develop - Development: Living things change
and mature as they grow old over time. Organisms pass through different
stages as they grow.
- Single celled organisms: Grow larger.
- Multi-celled organisms: Grow in number of cells.
- Metamorphosis: Is when organisms have a complete change of body
shape. Ex: Capterpillar -> Butterfly or Tadpole -> Frog.
Q: What is an emergent property? What quality of life does it have to do
with?
Q: How is discovery-based science different from hypothesis-driven
science?
✓✓ Discovery Based science- has the goal of finding new information and
serves to form new hypotheses. Hypothesis Driven science- uses
deduction and the scientific method.
Q: What are the steps of the Scientific Method?
✓✓ 1. Do an observation
2. Ask a question
3. Construct a hypothesis
4. Make a prediction
5. Test the experiment
6. Analyze the results
7. Draw a conclusion
Remember: A hypothesis is an educated guess to your question, must be
testable, and can never be proven!
Q: Are large or small sample sizes more accurate for scientific studies?
✓✓ Large sample sizes are more accurate for scientific studies because it
increase the chance of finding a significant difference and leads to a more
precise data.
Q: What is the difference between a hypothesis and a scientific theory?
,✓✓ A hypothesis is an explanation that may or may not have undergone
scientific testing, while a theory is a hypothesis that has undergone
numerous tests over many years and has accumulated a large body of
evidence in support of the explanation.
Q: What are the six qualities of life? Be able to describe each quality and
not just recognize them.
, ✓✓ 1. All living things have cells - Cell is the smallest unit of life. Cell
contains all the material that are necessary for life to exist. Some
organisms are unicellular (only one cell) like bacteria, multicellular (many
cells) like human. Human cells have different function like for nerves or
skin.
2. Living things can sense and response to change - Living things response
to a stimuli. A stimuli could include smells (good or bad), taste, sound,
heat (touching a hot stove), light or darkness, or gravity.
- Homeostasis: When an organism responds to changes in order to keep
its internal environment the same.
3. Living things reproduce - Living things must reproduce to ensure that
their species survives.
4. Living things have DNA - Living things have DNA because it controls
all the characteristics and activities of an organism.
5. Living things use energy - Organisms takes in energy, converts it to
useful forms, and expels energy.
6. Living things grow and develop - Development: Living things change
and mature as they grow old over time. Organisms pass through different
stages as they grow.
- Single celled organisms: Grow larger.
- Multi-celled organisms: Grow in number of cells.
- Metamorphosis: Is when organisms have a complete change of body
shape. Ex: Capterpillar -> Butterfly or Tadpole -> Frog.
Q: What is an emergent property? What quality of life does it have to do
with?
