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ZOOLOGY > Lesson 3 > Flashcards

Lesson 3 Flashcards

1
Q

– A SCIENTIFIC STUDY OF LIFE

A

BIOLOGY

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2
Q

– study of life specific to animals

A

Zoology

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3
Q

the result of ancient events whereby lifeless matter (atoms & molecules) become organized into living cells

A

life

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4
Q

The origin of life that arose

A

3.5 billion years ago

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5
Q

IS THE BASIC UNIT OF LIFE

A

CELL

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6
Q

– AN ESSENTIAL MATERIAL FOR LIFE

A

DNA

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7
Q

is the smallest unit with the capacity for life.

A

DNA

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8
Q

holds instructions to organize proteins from amino acids to exhibit life

A

DNA

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9
Q

Traits are carried by

A

genes

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10
Q

are inherited from parents

A

Traits

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11
Q

– MECHANISM OF ACTUAL TRANSMISSION OF DNA

A

REPRODUCTION

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12
Q

Hereditary information from two different organisms of the same species are combined

A

SEXUAL REPRODUCTION

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13
Q

Egg and sperm form à (fertilized egg)

A

zygote

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14
Q

____ contains hereditary information from both parents

A

Zygote

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15
Q

Hereditary information from one, usually unicellular, organism that divides

A

ASEXUAL REPRODUCTION

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16
Q

Resulting cells contain identical hereditary information

A

ASEXUAL REPRODUCTION

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17
Q

Genetic information from single parent

A

ASEXUAL REPRODUCTION

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18
Q

Growth is manifested by:

A

a. increase in number of cells (cell division)
b. cell enlargement

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19
Q

When a cell grows to a size where its surface area isn’t big enough for its volume, the cell divides

A

growth

20
Q

Refers to the process of transforming a new individual into a multi-celled adult organism

A

DEVELOPMENT

21
Q

Involves repeated cell divisions and cell differentiation

A

Development

22
Q

May involve metamorphosis

A

DEVELOPMENT

23
Q

Obtain & convert energy to useful form (= ATP molecules)

A

METABOLISM

24
Q

Use energy to maintain life

A

METABOLISM

25
Q

TYPES OF METABOLISM

A

anabolism
catabolism

26
Q

– store energy by making complex molecules

A

Anabolism

27
Q

– breakdown complex molecules to release & convert energy to useful form.

A

Catabolism

28
Q

ALL energy comes from the _____ (directly or indirectly)

A

SUN

29
Q

is the process by which some organisms capture the energy from the sun (solar) and transform it into energy (chemical) that can be used by living things

A

Photosynthesis

30
Q

PHOTOSYNTESIS EQUATION

A

6CO2 + 6H2O -> C6H12O6 + 6O2

31
Q

Organisms that make their own food are called

A

autotrophs

32
Q

– use solar energy (photosynthesis) to get energy

A

Phototrophs

33
Q

– use different chemical processes to get energy

A

Chemotrophs

34
Q

Organisms that must take in food to meet their energy needs are called

A

Heterotrophs

35
Q

______ (sensory organs) allow organisms to detect stimuli from environment

A

Receptors

36
Q

– a specific form of energy detected by receptors

A

stimuli

37
Q

Organisms maintain very stable internal conditions -

A

HOMEOSTASIS

38
Q

Sweating when hot to cool the body’s temperature

A

HOMEOSTASIS

39
Q

Compensatory controlled responses to energy changes in the environment

A

FEEDBACK MECHANISMS

40
Q

Populations of organisms —-____ (evolve) over generations (time)

A

change

41
Q

Explains the presence of different kinds of organisms or ______

A

SPECIES

42
Q

Explains how modern organisms are related to past organisms

A

EVOLUTION

43
Q

__________ is the driving force in evolution

A

Natural selection

44
Q

Organisms that have certain ________ are better able to __________ than organisms that lack these traits

A

favorable traits
successfully reproduce

45
Q

With enormous animal diversity, a system of hierarchical classification was introduced by ___________

A

Carolus Linnaeaus

46
Q

A recent addition to levels of taxonomic hierarchy is domain that divides all living organisms into three: ______, _____, and _______.

A

Bacteria
Archaea
Eukaryota

47
Q
A

ZOOLOGY (7 decks)

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