Unit 1 The Study of Life

Question 1

includes all living things on Earth

Answer 1

Biosphere

Question 2

Where is more life found?

Answer 2

More life is found near the equator

Question 3

Why is there more life near the equator?

Answer 3

Warmer climate/ no seasons

Question 4

T/F: Every part of the biosphere is connected

Answer 4

True

Question 5

one particular type of living things

Answer 5

species

Question 6

T/F: All organisms do not have certain characteristics

Answer 6

False
All organisms DO have certain characteristics

Question 7

scientific study of all forms of life

Answer 7

Biology

Question 8

any living thing

Answer 8

organism

Question 9

What are the 4 qualifications to be a living thing ?

Answer 9

-Made of 1 or more cells
-need energy for metabolism
-respond to their environment
-all pass DNA to their environment

Question 10

All levels of life have _______ of related parts.

Answer 10

systems

Question 11

an organized group of interacting parts

Answer 11

system

Question 12

system of chemicals and processes

Answer 12

cell

Question 13

includes organs that interact

Answer 13

body system

Question 14

includes living and nonliving things

Answer 14

ecosystems

Question 15

T/F: Structure and Function are related in biology

Answer 15

True

Question 16

What determines function?

Answer 16

Structure

Question 17

T/F: Proteins with different structures perform the same functions.

Answer 17

False
Proteins with different structures perform different functions.

Question 18

What has a different structure and function than stomach muscle cells?

Answer 18

Heart muscle cells

Question 19

Different _____ have different animatic shaped with different functions

Answer 19

species

Question 20

What must organisms maintain to survive in diverse enviroments?

Answer 20

Homeostasis

Question 21

the maintenance of constant internal conditions

Answer 21

Homeostasis

Question 22

How is homeostasis usually maintained?

Answer 22

Through negative feedback

Question 23

What do negative feedback systems do?

Answer 23

Return a condition to its normal (set.) point

Question 24

What can help maintain homeostasis?

Answer 24

Behaviors and Adaptations

Question 25

What is observing?

Answer 25

Using the senses of tool to gather info

Question 26

What is forming a hypothesis?

Answer 26

Asking a question that tries to explain the observations

Question 27

What is testing a hypothesis?

Answer 27

collecting data to support or reject hypothesis

Question 28

What is analyzing data?

Answer 28

a statistical analysis of data to draw conclusions

Question 29

What is evaluating results?

Answer 29

data + conclusions are studies to determine validity

Question 30

What is an experiment?

Answer 30

use ind. + dep. variables to find cause and effect relationships

Question 31

Independent variables are...

Answer 31

manipulated

Question 32

Dependent variables are...

Answer 32

observed and measured

Question 33

What is a constant?

Answer 33

any condition kept the same to see the effect of the cause

Question 34

a proposed explanation for a wide range of observations + experimental results that is supported by a wide range of evidence

Answer 34

theory

Question 35

Can theories change?

Answer 35

Yes

Question 36

What does imaging technology provide?

Answer 36

Provides an enlarged image of an object

Question 37

shines light through a specimen + has 2 lenses to magnify an image

Answer 37

light microscopes (LM)

Question 38

Can the specimen be alive for a light microscope?

Answer 38

yes

Question 39

passes a beam of electrons over the specimens surface to show a 3-D image

Answer 39

scanning electron microscopes (SEM)

Question 40

What two microscopes does there have to be a vacuum room?

Answer 40

Scanning electron microscopes (SEM) Transmission electron microscope (TEM)

Question 41

What microscope do you have to spray your specimen with metal?

Answer 41

Scanning electron microscopes (SEM)

Question 42

Can your specimen be alive with a Scanning electron microscope (SEM)?

Answer 42

No

Question 43

passes a beam of electrons through a thin slice of specimen to show a 2-d image

Answer 43

Transmission electron microscope (TEM)

Question 44

What microscope do you have to spray your specimen with glue?

Answer 44

Transmission electron microscope (TEM)

Question 45

Can your specimen be alive with a Transmission electron microscope (TEM)?

Answer 45

No

Question 46

Increase of an object's apparent size

Answer 46

Magnification

Question 47

power to show details clearly in an image

Answer 47

Resolution

Question 48

single, standard of measurement based on powers of 10

Answer 48

Metric System

Question 49

a segment of DNA that stores genetic info

Answer 49

Gene