Introduction to Biology Flashcards
1
Q
the leaves of desert plants adapt to lack of water by:
A
curling of leaves
decrease number of stomata
decrease surface area of the leaf
2
Q
Steps of the scientific methods
:
A
- Observation
- Hypothesis
- Data Collection
- Conclusion
3
Q
What is a theory?
A
A care-fully thought-out explanation for observations of the natural world
4
Q
What is a Hypothesis?
A
A proposed answer for a scientific study, that must be specific and testable.
5
Q
What is the independent variable?
A
The factor being changed by the scientist to observe its effect on the dependent variable
6
Q
What is the dependent variable?
A
The factor that is being measured or studied through changes in its environment
