New Science Book Flashcards

(92 cards)

1
Q

Organisms

A

Living things

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2
Q

Cell

A

A small building block

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3
Q

Unicellular

A

Organisms with one cell

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4
Q

Multicellular

A

An organism with multiple cells

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5
Q

Metabolism

A

The combination of chemical reactions through which an organism builds up or breaks down materials

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6
Q

Stimulus

A

A change in an organism’s surroundings that causes the organism to react

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7
Q

Response

A

An action or change in behavior

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8
Q

Development

A

The process of change that occurs during an organism’s life, producing a more complex organism

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9
Q

Asexual reproduction

A

Involves only one parent and produces offspring identical to the parent

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10
Q

Sexual reproduction

A

Involves two parents and combines their genetic material to produce a new organism that differs from both parents

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11
Q

Spontaneous generation

A

The mistaken idea that living things can arise from nonliving things

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12
Q

Controlled experiment

A

A scientist carries out a series of tests that are identical in every aspect except for one factor

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13
Q

Autotrophs

A

Obtains energy by

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14
Q

Classification

A

The process of grouping things based on their similarities

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15
Q

Taxonomy

A

The scientific study of how organisms are classified is called

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16
Q

Binomial nomenclature

A

Each organism a unique two part specific name.

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17
Q

Genus

A

The first word in an organism’s scientific name

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18
Q

Species

A

A group of similar organisms that can mate with each other and make offspring that can also mate and reproduce.

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19
Q

Protests

A

Eukaryotes that cannot be classified as animals, plants, or fungi.

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20
Q

Protozoans

A

Animal like protests that are unicellular

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21
Q

Fungus

A

Eukaryotes that have cell walls, are heterotrophs that feed by absorbing their food, and use spores to reproduce

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22
Q

Hyphae

A

The branching thread like tubes that make up the bodies of multicellular fungi

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23
Q

Fruiting bodies

A

A structure where fungi produce spores.

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24
Q

Chlorophyll

A

A green pigment found in chloroplasts of plants, algae, and some bacteria

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25
Photosynthesis
A plant uses carbon dioxide gas and water to make food and oxygen.
26
Tissues
groups of similar cells that preform a specific function i an organism
27
Chloroplasts
The structures in which food is made
28
Vacuole
A large storage sac
29
Cuticle
Water proof layer
30
Sporophyte
When the plant produces spores
31
Gametophyte
The plant produces two types of sex cells
32
Annuals
Flowering plants that complete a life cycle within one growing season
33
Biennials
The annuals except with two
34
Perennials
Plants that live for more than two years
35
Tropism
A plant's growth response towards or away from the stimulus
36
Hormone
A chemical effect how the plant grows and develops
37
Auxin
One important hormone
38
Photoperiodism
A plant's response to seasonal changes in the length of night and day
39
Critical night length
The number of hours of darkness that determines if the plant will flower
40
Short day plant
Short day plants flower when the nights are longer than a critical
41
Long day plants
Long day plants flowers when nights are shorter than a critical length
42
Day neutral plants
Day neutral plants have a flowering cycle that is not sensitive to periods of light and dark
43
Homeostasis
Keeping internal body conditions stable
44
Adaptations
Structures, and behaviors that allow animals to preform their functions
45
Vertebrates
Animals w back bone
46
Invertebrates
Animals without a back bone
47
Tissue
Paper 4 nose blowing
48
Organ
A piano but 10x better
49
Radial symmetry
Idk
50
Bilateral symmetry
Idk
51
Cnidaria
Idk
52
Mollusk
Clam
53
Arthropod
Idk
54
Exoskeleton
Outside skeleton
55
Echinodern
Idk
56
Endoskeleten
Inside skeleton
57
Chordate
A chord that ate
58
Notochord
A note of a chord
59
Vertebra
A vertebrate
60
Ectotherm
Outside heat
61
Endothermic
Inside heat
62
Neurons
Nerve cells
63
Nerve impulse
Neuron message
64
Dendrite
Branchlike structure that picks up impulses
65
Axon
Long structure leading away from the cell body
66
Nerve
A bundle of nerve fibers
67
Sensory neuron
Picks up a stimulus
68
Interneuron
Carries a nerve impulse
69
Motor neuron
Sends impulse
70
Synapse
Neuron transfers impulses to this
71
Central nervous system
A nervous system
72
Peripheral nervous system
A nervous system
73
Brain
Brain
74
Spinal chord
Spinal chord
75
Cerebrum
?
76
Cerebellum
?
77
Brain stem
A brain stem
78
Somatic nervous system
A nervous system
79
Autonomic nervous system
A nervous system
80
Reflex
Reflex
81
Concussion
Concussion
82
Cornea
The clear tissue that covers the front of the eye
83
Pupil
The opening through which light enters the eye
84
Iris
A circular structure that surrounds the pupil and regulates how much light enters the eye
85
Lens
A circular structure that focuses light
86
Retina
Lines the back of the eye and contains light sensitive cells
87
Nearsightedness
See nearby objects clearly but into focus of the retina
88
Farsightedness
See distant objects clearly but not nearby objects
89
Eardrum
A membrane that vibrates when sound waves strike it
90
Cochlea
A snail shaped tube lined with sound receptor cells
91
Semicircular canal
A semicircle that is a canal
92
Taste buds
Things that you taste with