Chapter 1: A view of life Flashcards

1
Q

Biology

A

the study of living things

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2
Q

Living Environment

A

interaction between the living things in the environment and the non-living things in the environment

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3
Q

Atom

A

smallest unit of an element composed of electrons, protons, and neutrons

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4
Q

Molecule

A

union of two or more atoms of the same or different elements

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5
Q

Organelles

A

“little organs” structures found in cells that carry out the basic functions for the cell to live

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6
Q

Cell

A

the structural and functional unit of all living things

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7
Q

Unicellular organism

A

a cell that lives independently

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8
Q

Multicellular organism

A

similar cells combine to form an organism

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9
Q

Simple multicellular organism

A

volvox

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10
Q

Complex multicellular organism

A

human

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11
Q

Tissue

A

a group of cells with a common structure and function

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12
Q

Organ

A

composed of tissues functioning together for a specific task

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13
Q

Organ system

A

composed of several organs working together

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14
Q

Organism

A

an individual living thing

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15
Q

Population

A

organisms of the same species in a particular area

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16
Q

Community

A

interacting populations in a particular area
(only living things)

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17
Q

Ecosystem

A

a community plus the physical environment

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18
Q

Biosphere

A

regions of the Earth’s crust, waters and atmosphere inhabited by living things

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19
Q

Living things are______________and contain many complex chemical substances

A

highly organized

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20
Q

Living things are made up of_____________(unicellular, mulitcellular)

A

one or more cells

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21
Q

Living things use___________ (cellular respiration, photosynthesis)

A

energy

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22
Q

Living things have___________and limited size

A

definite

23
Q

Living things_______

A

grow

24
Q

Living things___________to changes in the environment

A

respond

25
Q

Living things are able to__________(asexually, sexually)

A

reproduce

26
Q

Groups of living things can_________

A

change

27
Q

modifications that make organisms suited to their way of life

A

Adaptations

28
Q

a species can serve as a common ancestor to several species, each adapted to a particular set of environmental conditions

A

Evolution

29
Q

Charles Darwin’s theory that organisms become modified over time

A

Natural Selection

30
Q

the things an organism does to stay alive

A

Life Processes

31
Q

when an organism takes materials from its external environment and changes them into forms it can use

A

Nutrition

32
Q

the taking in of food from the environment

A

Ingestion

33
Q

the breakdown of complex food materials into simpler forms

A

Digestion

34
Q

makes its own food

A

Autotroph

35
Q

get its food from an animal or a plant

A

Heterotroph

36
Q

the process by which organisms get energy from food

A

Cellular Respiration

37
Q

the capacity to do work

A

Energy

38
Q

the process by which an organism gets rid of waste products

A

Excretion

39
Q

the movement of materials through an organism (ex, circulatory system- blood, RBC’s, WBC’s platelets, plasma)

A

Transport

40
Q

when organisms combine simple substances chemically into more complex sentences

A

Synthesis

41
Q

the process by which living organisms increase in size

A

Growth

42
Q

all of the activities that help to maintain an organism’s homeostasis

A

Regulation

43
Q

the process by which living things produce new organisms of their own kind

A

Reproduction

44
Q

a single organism produces an exact replica of itself

A

Asexual

45
Q

two parents combine genetic material to form offspring

A

Sexual

46
Q

all chemical reactions occurring within a living organism fall under this process

A

Metabolism

47
Q

an educated or possible explanation for the proposed question using indicative reasoning

A

Hypothesis

48
Q

when a scientist uses creative thinking to combine isolated fats into a cohesive whole

A

Inductive reasoning

49
Q

the part of the experiment where tests and trials are done to support or refute a hypothesis

A

Experimental group

50
Q

the effects of one single factor

A

Variable

51
Q

the variable the scientist changes

A

Independent Variable

52
Q

what happens as a direct result of changing the independent variable

A

Dependent Variable

53
Q

conditions that must remain the same between the experimental group and the control group

A

Control Variables