Lesson 1 Vocab
regulation of an organism's internal environment to maintain conditions needed for life
homeostasis
A body of knowledge on the study of nature
science
What is the basic unit of life?
a cell
What is a hypothesis?
testable explanation
Tell me about a stimulus and response in the wild
cat walks by, dog barks
anything that has had or once had the characteristics of life
organism
Explanation of a natural phenomenon based on many observations and investigations over time
Theory
Is a tree living? Why or why not?
Yes, reproduces, grows, adapts, requires energy
Explain why scientist use peer review?
retest what others proved, unbiased
How are cells organized?
cell, tissue, organ, organ system
Define reproduction
production of offspring
Define hypothesis
Testable explanation of a situation
What does it mean to respond to stimuli?
react to something in your enviroment
Why should we expand our scientific knowledge?
search for new science and explanation
Name one way animals or humans maintain homeostasis
shivering
Define stimulus
any change in an organism's internal or external environment that causes an organism to react
Define inferences
Assumption based on prior experience
Inherited changes that occur overtime to help a species survive
adaptations
What is psuedoscience?
try to imitate science but are not science based and not tested
What makes two animals a part of the same species?
Define adaptation
inherited characteristics of a species that develop over time in response to an environmental factor
Define Ethics
A set of guidelines that protect participants, the environment, and reduces bias in experiments
Which characteristic of life is not essential?
Reproduction
Describe how observation or data that are inconsistent with theory should be treated
review, retest
Which is the process that results in mass being added to an organism that may include formation of new cells and new structures?
growth