Chapter 1 Flashcards
what are examples of observation?
sight, smell, taste, feel, hearing
what are examples of qualitative descriptions?
color, smell, taste
what are examples of quantitative descriptions?
numbers, meters, liters, centimeters, gallons
what are the two types of asexual reproduction?
budding
binary fission
what is one goal of science?
to prove natural explanations for events in the natural world
what does science methodology involve?
asking questions, making inferences, forming hypothesis, conducting controlled experiments, collecting and analyzing data, and drawing conclusions.
what is the act of noticing and describing events in a careful way?
observation
what is a logical interpretation based on what scientists already know
inference
what experiment should be kept the same?
controlled experiment
what is the variable that changed called?
independent variable
what is the variable that is observed and that changes in response to the independent variable?
dependent variable
The statement ‘the worm 2 inches long’ is a what?
Observation
To be useful in science, what must a hypothesis be?
Testable
How many variables should be tested at a time?
1
What are the goals of science?
Provide natural explanations for events in the natural world and to use those explanations to Understand patterns in nature and to make useful predictions about natural events
The process in which two cells from different parents unite to produce the first cell of a new organism is called what?
Sexual reproduction
The process by which organisms keep their internal conditions relatively stable is called what?
Homeostasis
What are some examples of stimuli that a bird respond to?
Temperature, food availability, and weather conditions
What is the purpose of peer review in science?
Published results meet standards set by the scientific community
What is a scientific Theory?
A well tested explanation that unifies a broad range of observations
What are the 8 characteristics of living things?
Living things are based on a universal genetic code called DNA, living things grow and develop, living things respond to their environment, living things are made up of cells, living things evolve, living things obtain and use materials and energy, living things maintain a stable Internal environment, living things reproduce.
What is biology?
The study of life?
What scientific attitude help generate new ideas
Curiosity, skepticism, open-mindedness, and creativity to help scientists generate new ideas
What is data?
Detailed records of experimental observations, gathering information
