Biology Unit 1 Study Guide Flashcards
An experiment in which two groups differ by only one factor is called ______.
A controlled experiment
What is the smallest unit of structure, function, and heredity?
The cell.
What is group of organs with a specific function called?
Organ system.
What is the basic metric unit of length?
Meter
What is the gravitational attraction between two objects called?
Weight
What is the condition that differentiates the experimental group from the control group called?
Independent variable.
What is the correct order of the steps of the scientific method?
Recognize a problem, collect data, form a hypothesis, test the hypothesis, accept or reject the hypothesis, form a conclusion. (The first two can be interchanged.)
What is the basic metric unit of volume?
Liter
What did Francesco Redi prove with his fly experiment?
Biogenesis
What kind of organisms are considered producers?
Plants
What does an herbivore eat?
Plants
When Aristotle observed the pond and saw life in the water when only a few months before there had been nothing, what did he think?
The life came from the mud, but in fact it came from eggs laid in the mud.
What is the basic unit of time?
Second
What are the characteristics of life?
The need for energy. Growth Reproduction Response to stimuli Made of cells Has organization Maintains homeostasis Adapts and evolves
What are the two types of reproduction?
Sexual
Asexual
