Biology Chapter 1

Question 1

Science

Answer 1

The intellectual and practical activity encompassing the systematic study of the natural behavior of the physical and natural observation and experiment.

Question 2

Hypothesis

Answer 2

An educated guess of the how/why of something in the natural world.

Question 3

Theory

Answer 3

Concept of cause and effect, supported by evidence, that explains some aspect of nature used to make predictions about aspects of nature.
At any point a theory can be disproved, it can never be proven.

Question 4

Independent Variable

Answer 4

A variable (often denoted by x ) whose variation does not depend on that of another.

Question 5

Experimental Variable

Answer 5

Independent variable: (statistics) a variable whose values are independent of changes in the values of other variables.

Question 6

Dependent Variable

Answer 6

A variable (often denoted by y ) whose value depends on that of another.

Question 7

Experimental Control

Answer 7

When an experiment is conducted for the purpose of determining the effect of a single variable of interest on a particular system, a scientific control is used to minimize the unintended influence of other variables on the same system.

Question 8

Biology

Answer 8

The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
The study of life.

Question 9

Fact

Answer 9

A piece of information that results from experiments or observations.

Question 10

Natural Law

Answer 10

Applies to the whole universe, it is true, and stable (cannot be disproved.)

Question 11

What is biology? How does it affect our lives?

Answer 11

Biology is the study of life. There are many ways biology affects our lives, some of them are climate changes, viruses like AIDS and HIV. Even human population growth in considered biology because it affects our food supply and habitable living space.

Question 12

What characteristics define life?

Answer 12

Order(organization): Its not just something thrown together.
Regulation: Maintaining a relatively stable internal environment, despite changes on the internal/out-turnal environment.
Growth and Development: Growth obviously
Energy Unionization: They are able to bring in energy in one form and convert it into a form of energy that they can use.
Response to Environment: Behavior, like pulling your had away from heat.
Reproduction: To reproduce.
Evolution: To evolve (ya, no)

Question 13

Know the order (from smallest to largest) and be able to describe each level in the hierarchy life

Answer 13

Atom(hydrogen)
Molecule(water) 
Organelle(nucleus)
Cell(neuron)
Organ(brain)
Organ(system)
Organism(sea lion)
Population(colony)
Community(giant kelp forest)
Ecosystem(southern California coast) Biosphere(earth)

Question 14

How does evolution explain both unity and diversity of living organisms?

Answer 14

Homologies: Bone structure
Cell Membranes:
Energy Pathway:

Question 15

Contrast discovery science and hypothesis-driven science. Know and be able to the basic steps of science inquiry and determine what is the experimental control, experimental variable, dependent and independent variable if given an example.

Answer 15

Scientific Inquiry:
Observation
Question
Hypothesis
Prediction
Test: If it does not support you can make a new hypotheses. If it does support you can make more predictions.
Experimental Control: When an experiment is conducted for the purpose of determining the effect of a single variable.
Experimental Variable: a variable whose values are independent of changes in the values of other variables.
Dependent: A variable (y) whose value depends on that of another.
Independent Variable: A variable (x) whose variation depends on that of another.

Question 16

What is a theory? What is a natural law? how is if different from a fact or hypothesis? Be able to recognize weather a statement is a hypothesis, a theory or a natural law/

Answer 16

Theory: Concept of cause and effect, supported by evidence, that explains some aspect of nature used to make predictions about aspects of nature.
At any point a theory can be disproved, it can never be proven.
Natural Law: Applies to the whole universe, it is true, and stable (cannot be disproved.)
Fact: A piece of information that results from experiments or observations.
Hypotheses: An educated guess of the how/why of something in the natural world.