Chapter 1: A View Of Life

Question 1

Biology

Answer 1

The study of life

Question 2

Plasma Membrane

Answer 2

A protective covering that separates a cells from the surrounding external enviroment

Question 3

5 Major Themes of Biology

Answer 3

1. Biological Systems interact
2. Structure and function are interrelated
3. Information must be transmitted
4. Life depends on a continuous input of energy
5. Evolution

Question 4

What are organisms comprised of?

Answer 4

Cells

Question 5

What are the types of cells?

Answer 5

Eukaryotic and Prokaryotic

Question 6

Eukaryotic Cell

Answer 6

A variety of organelles enclosed by membranes, has a nucleus

Question 7

Prokaryotic Cell

Answer 7

Simple beings with no nucleus, bacteria and archaea. PRO IS NO

Question 8

Unicellular

Answer 8

Life forms that consist of one single cell

Question 9

Multicellular

Answer 9

complex life forms that depend on coordinated functions of cells, billions and trillions of cells. The cells form tissues, organs, organ systems.

Question 10

Organisms do what

Answer 10

Grow and develop

Question 11

Growth

Answer 11

Involves an increase in size of individual cells of an organism.

Question 12

Development

Answer 12

Includes all changes during an organisms life. Ex puberty

Question 13

Organisms regulate what?

Answer 13

Their metabolic process

Question 14

Metabolism

Answer 14

Chemical activity that takes place in an organism. These chemical reactions are essential to nutrition, growth, repair, and conversion of energy.

Question 15

Homeostasis

Answer 15

maintaining a balanced, appropriate internal enviroment

Question 16

Organisms respond to what

Answer 16

Stimuli

Question 17

Stimuli

Answer 17

An organisms response to a physical or chemical change in their internal or external environment

Question 18

Types of stimuli responses

Answer 18

Changes in color, temp, or sound

Question 19

Organisms reproduce how

Answer 19

Asexually or Sexually

Question 20

Asexual reproduction

Answer 20

One organism doubles its genes and splits into two, one set staying and the other set going with the offspring. Literal carbon copies.

Question 21

Sexual reproduction

Answer 21

When a sperms fertilizes an egg. Mix of mother and fathers genes. Allows for variation in population

Question 22

Populations do what in their environment?

Answer 22

Evolve and adapt

Question 23

Adaptation

Answer 23

Inherited characteristics that enhance an organisms ability to survive in a particular environment.

Question 24

Chemical level

Answer 24

Atoms join atoms to form molecules

Question 25

Cellular level

Answer 25

Atoms and molecules come together to make cytoplasm and form organelles such as the nucleus

Question 26

Tissue Level

Answer 26

Cells come together to form tissue

Question 27

The scientific method steps

Answer 27

1. Observation 2. Question 3. Hypothesis 4. Prediction 5. Experiment 6. Conclusion

Question 28

Observation

Answer 28

Looking at surrounding environment, finding something that catches the eye

Question 29

Question

Answer 29

Why is it happening, what is it

Question 30

Hypothesis

Answer 30

Possible explanation, educated guess. Statement not a question

Question 31

Prediction

Answer 31

If___,then____. what you expect to happen

Question 32

Experiment

Answer 32

test the theory. see if predictions happens, gather data that can be analyzed

Question 33

Conclusion

Answer 33

What have I learned? Were predictions correct?

Question 34

Two types of systematic thought processes

Answer 34

Deductive reasoning and inductive reasoning

Question 35

Deductive reasoning

Answer 35

Begins with supplied information and draws conclusions based upon it

Question 36

Inductive reasoning

Answer 36

Begins with specific information and draws conclusion

Question 37

Why do cells need a source of energy

Answer 37

To break down and utilize it

Question 38

3 Domains of organisms

Answer 38

1.Domain Bacteria 2.Domain Archaea 3.Domain Eukarya 1 and 2 are prokaryotic and unicellular 3 is eukaryotic and can be either multi or uni cellular

Question 39

The more complex an organism is....

Answer 39

The better and more efficiently it can handle change

Question 40

Unicellular organisms can only reproduce how?

Answer 40

Asexually

Question 41

Populations evolve and adapt how

Answer 41

Over an very long time and happens to a population not an individual

Question 42

Genetic Mutation

Answer 42

A permanent change in the genes

Question 43

Atom

Answer 43

The smallest unit of a chemical element that retains the characteristic properties of that element.

Question 44

Molecule

Answer 44

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

Question 45

The two controlled experiments

Answer 45

Experimental group, and control group

Question 46

Experimental group

Answer 46

the group being tested

Question 47

Control group

Answer 47

factors that remain constant throughout an experiment

Question 48

What happens if a sample in an experiment is too small

Answer 48

It may not be accurate due to random factors

Question 49

Why is avoiding bias so important

Answer 49

So there are no preconceived ideas of what could happen.

Question 50

Experiments must be repeatable (t or f)

Answer 50

true

Question 51

Genetic material in a Eukaryotic cell is stored where

Answer 51

In the Nucleus

Question 52

Two types of controls in the control group

Answer 52

Positive and Negative Control

Question 53

Why do scientists write down everything

Answer 53

So that they can publish it in order for other scientists to view it and possibly recreate it

Question 54

Which reasoning is this example: All birds have wings A sparrow is a bird A sparrow has wings

Answer 54

Deductive

Question 55

Which reasoning is this example Sparrows have wings and can fly Robins, hawks, and eagles have wings and can fly All birds have wings and can fly

Answer 55

Inductive