Exam 1

Question 1

Evolution

Answer 1

a process of change through time in the generally determined characteristics of organisms being passed on to successive generations

Question 2

Ecology

Answer 2

the scientific study of the interactions between organisms and the living and nonliving components of their environment

Question 3

The 9 steps of the Scientific Method

Answer 3

1. Make observations
2. Ask a question
3. Consult knowledge
4. Formulate a hypothesis
5. Collect and interpret data
6. Consult prior knowledge
7. Draw Conclusions
8. Peer review
9. Publish

Question 4

independent variable

Answer 4

the experimenter typically is able to manipulate it

Question 5

Dependent variable

Answer 5

the variable in which you are measuring changes in response to the independent or experimental variable

Question 6

blending model of inheritance

Answer 6

the idea that genetic material from two parents blends together

Question 7

alleles

Answer 7

account for variation in inherited characters

Question 8

Number chromosomes per somatic cell

Answer 8

46

Question 9

number of chromosomes per gamete

Answer 9

23

Question 10

Codominane

Answer 10

they exist together

Question 11

epistasis

Answer 11

one gene affects the phenotype of another due to the interactions of their gene products

Question 12

Multifactorial

Answer 12

Traits that depend on multiple gene combined with environmental influences