Chapter 1 Flashcards
(25 cards)
What is a testable explanation of a situation?
Hypothesis
What is a group of similar looking organisms that can interbreed and produce fertile offspring?
Species
What is the keeping of a constant internal environment despite changes in the external environment?
Homestasis
What is the production of two identical cells from one cell?
Asexual reproduction
What is the testing of a hypothesis within a controlled setting?
Experiment
What is the making of more cells of the increase in the material of one cell?
Growth
What is the gathering of information using one of the five senses and/or instruments?
Observation
What are changes to the surrounds of an organism that causes it to react?
Stimulus
What is the joining of two non-identical cells to form one cell?
Sexual Reproduction
What is a reaction to a stimulus?
Response
What are the 8 characteristics of life?
- Made of 1 or more cells.
- Grows and Develops.
- Reproduces .
- Responds to Stimuli .
- Requires Energy.
- Maintains Homeostasis .
- Adapts .
- Heredity, traits are inherited over time.
Who developed binomial nomenclature?
Linnaues
What is information gathered from observations called?
Data
What is the study of standards of what is right and wrong?
Ethics
Who was the first scientist to discover the cell?
Hooke
What are the changes that occur in an experiment that are caused by the experimenter?
Independent Variable
What is an explanation of a natural phenomenon supported by many observations and experiments over time?
Theory
What is the least specific level of taxonomy?
Species
What is qualitative data?
Describing data with words
Is counting fish in a lake qualitative or quantitative?
Quantitative
Why do we study biology?
Life
What is a hypothesis?
an educated guess
What is a control?
The variable that stays the same
What is a dependent variable?
What the experimenter is measuring
