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BIO 11 > INTRODUCTION > Flashcards

INTRODUCTION Flashcards

1
Q

ONLY ALIVE IF

A

ORGANIZED
ACQUIRE MATERIALS AND ENERGY
REPRODUCE
RESPOND TO STIMULI
HOMEOSTATIC
GROW AND DEVELOP
CAPACITY TO ADAPT

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2
Q

METABOLISM

A

BIOCHEMICAL REACTIONS THAT ACQUIRE AND USE ENERGY

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3
Q

WHY DO ORGANISMS NEED ENERGY

A

COMBAT ENTRPY
BUILD NEW STRUCTURES
REPAIR/BREAK DOWN OLD STRUCTURES
REPRODUCE

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3
Q

HOW DO ORGANISMS OBTAIN ENERGY

A

EXTRACTING ENERGY FROM THE ENVIRONMENT

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4
Q

PRODUCERS (ENGERY)

A

GET ENERGY FROM THE ENVIRONMENT
(PLANTS AND THE SUN)

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5
Q

CONSUMERS (ENERGY)

A

NUTRIENTS BY OTHER LIVING THINGS
(EATING PLANTS AND OTHER ANIMALS)

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6
Q

DECOMPOSERS (ENERGY)

A

NUTRIENTS FROM DEAD ORGANISMS
(WORMS, MUSHROOMS)

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7
Q

ASEXUAL REPRODUCTION

A

-SINGLE PARENT
-OFFSPRING GENETICALLY IDENTICAL TO PARENT
-OFTEN UNICELLULAR ORGANISM

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8
Q

SEXUAL REPRODUCTION

A

TWO PARENTS
OFFSPRING GENETICALLY DIVERSE

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9
Q

RESPOND TO STIMULI

A

REACT TO LIGHT (SUNFLOWER OR SQUINTING)
LOAUD NOISE (LOOK OR RUN)
SEASONS CHANGING (MIGRATE)

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10
Q

HOMEOSTASIS

A

MAINTAIN CONSTANT INTERNAL CONDITIONS

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11
Q

GROW AND DEVELP

A

GROW: TO GET BIGGER
DEVELOP: TO CHANGE

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12
Q

ADAPTATIONS

A

INDIVIDUALS OF A SPECIES MAY HAVE CERTAIN CHARACTERISTICS THAT MAKE THEM BETTER ABLE TO SURVIVE IN A NEW ENVIRONMENT

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13
Q

NATURAL SELECTION

A

INDIVIDUALS BETTER ADAPT TO ENVIRONMENT LIVE LONGER AND PRODUCE MORE OFFSPRING

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14
Q

EVOLUTION

A

CHANGE IN FREQUENCY OF TRAITS IN POPULATIONS AND SPECIES OVER TIME

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15
Q

BIOSPHERE

A

ALL LIFE ON EARTH

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16
Q

ECOSYSTEM

A

LIVING AND NONLIVING COMPONENTS

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17
Q

COMMUNITY

A

INTERACTING POPULATIONS IN THE SAME ECOSYSTEM

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18
Q

POPULATION

A

GROUP OF INTERACTING INDIVIDUALS OF ONE SPECIES

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19
Q

ORGANISM

A

INDIVIDUAL LIVING BEING

20
Q

ORGAN SYSTEM

A

GROUP OF ORGANS THAT WORK TOGETHER

21
Q

ORGAN

A

MULTIPLE TISSUES THAT COOPERATE A SPECIFIC TASK

22
Q

TISSUE

A

GROUP OF SMALLER CELLS THAT WORK TOGETHER

23
Q

CELL

A

FUNDAMENTAL UNIT OF LIFE

24
Q

MOLECULE

A

GROUP Of ATOMS BONDED

25
Q

ATOM

A

FUNDAMENTAL UNIT OF MATTER

26
Q

THE GOALS OF SCIENCE

A

INVESTIGATE and understand the natural world
EXPLAIN the event in the natural world
USE those explanations to make useful predictions

27
Q

hypothesis

A

-Proposed explanation for an observation
-Must be testable

28
Q

Observation

A

Used to investigate hypotheses

28
Q

independent variable

A

what is being manipulated as a potential cause

29
Q

dependent variable

A

the response, output, or effect under investigation

30
Q

control group

A

establishes a baseline for the experiment

31
Q

negative control group

A

group for which is no change is expected

32
Q

positive control group

A

group for which a change is expected

33
Q

what does a blind experiment reduce

A

bias

34
Q

single-blind experiment

A

information withheld from participants

35
Q

double-blind experiment

A

information withheld from both participant and experimenter

36
Q

placebo effect

A

the patient feels better after merely believing treatment was given, even if non actually was

37
Q

conclusions

A

Analyzing data and making a decision on whether or not it supports the hypothesis, can also lead to the hypothesis of the next.
ALL RESULTS MUST BE REPEATABLE

38
Q

The scientific method

A

observation
hypothesis
experiment / observations
conclusion
scientific theory

39
Q

observation

A

new observations are made and previous data are studied

40
Q

hypothesis

A

input from various sources is used to formulate a testable statement

41
Q

experiment / observations

A

the hypothesis is tested by experiment or further obervations

42
Q

conclusion

A

the results are analyzed and the hypothesis is supported or rejected

43
Q

scientific theory

A

many experiments and observations support a theory

44
Q

hypothesis VS. theory

A

hypothesis: proposed explanation for an observation
theory: much broader explanation, well substantiated and comprehensive

45
Q

Laws

A

statement of what always occurs under certain conditions

46
Q

pseudoscience

A

any field of study that is falsely presented as having a scientific basis

BIO 11 (8 decks)

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