Chapter 1: Biology And You Flashcards
(23 cards)
Biology
The study of life
What is an organism
A living thing (3.9BYA)
What are the seven characteristics of all living things
Cellular organization, reproduction, metabolism, homeostasis, heredity, responsiveness, growth and development
What are the stages in order of the scientific process
- Collecting observations
- Asking questions
- Forming hypothesis
- Making predictions
- Confirming predictions (w/ experiment)
- Drawing conclusions
What is observations?
Gathering information and researching your topic
What kind of questions should you ask?
How and why
What is a hypothesis?
Make a prediction. Make an educated guess to answer the questions.
What is a control group?
A group that does not receive any experimental treatment
Experimental group
A group that receives experimental treatment
Independent variable
Variable manipulated / changed
Dependent variable
Result of independent variable
Define gene
A segment of DNA that codes fur a specific protein
Explain the theory of evolution
Changes in organisms over generations over time
Natural selection
Survival of individuals with traits that best suits the environment
Species
A group of genetically similar organisms that can produce viable offspring
Ecosystem
A community of organisms and their environment
Ecology
The study of interactions of organisms with one another and their environment
Unicellular
Made of one cell
Multicellular
> 1 cell
Unicellular organisms reproduce by
Binary fission
Asexual
One parent offspring clone
Sexual reproduction
Two parents offspring mix of parents
Metabolism
The sum of all of the chemical reactions in an organism
