exam 1 part 1

Question 1

what are The steps of the Scientific method (7)

Answer 1

make observation
ask a question
formulate a hypothosis
design an experiment
perform experiment
interpret data
share results

Question 2

hypothesis definition

Answer 2

potential explanation that is falsifiable and testable

Question 3

a prediction has 3 parts:

Answer 3

if hypothesis true
then (y) should happen
when (x) manipulated

Question 4

a good experiment must have

Answer 4

Independent variable (X)—what we manipulate or control
Dependent variable (Y)—what we measure
control group
replication
repeatability

Question 5

replication

Answer 5

experiment uses large number of subjects in each treatment group
-averages out individual variations in response

Question 6

Standard Error of the Mean (SE) formula

Answer 6

SE = SD / square root of number of groups

Question 7

standard deveation (SD) formula

Answer 7

SD= (the sum of a number - the mean squared / number of groups - 1) all taken the square root of

Question 8

standard error of the mean is what

Answer 8

a statistic used in ecology that measures how close that a sample mean is to the true population

Question 9

what are the 4 foundation diciplines in ecology

Answer 9

Physiology
Behavior
Genetics
Evolution

Question 10

What is not ecology (4)

Answer 10

Environment
Ecosystem
Environmentalism
Natural History

Question 11

what is ecology

Answer 11

study of the interactions between an organism and its biological and physical environment