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Flashcards in New Science Book Deck (92):
1

Organisms

Living things

2

Cell

A small building block

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Unicellular

Organisms with one cell

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Multicellular

An organism with multiple cells

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Metabolism

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

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Stimulus

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

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Response

An action or change in behavior

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Development

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

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Asexual reproduction

Involves only one parent and produces offspring identical to the parent

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Sexual reproduction

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

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Spontaneous generation

The mistaken idea that living things can arise from nonliving things

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Controlled experiment

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

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Autotrophs

Obtains energy by

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Classification

The process of grouping things based on their similarities

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Taxonomy

The scientific study of how organisms are classified is called

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Binomial nomenclature

Each organism a unique two part specific name.

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Genus

The first word in an organism's scientific name

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Species

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

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Protests

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

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Protozoans

Animal like protests that are unicellular

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Fungus

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

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Hyphae

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

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Fruiting bodies

A structure where fungi produce spores.

24

Chlorophyll

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

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Photosynthesis

A plant uses carbon dioxide gas and water to make food and oxygen.

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Tissues

groups of similar cells that preform a specific function i an organism

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Chloroplasts

The structures in which food is made

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Vacuole

A large storage sac

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Cuticle

Water proof layer

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Sporophyte

When the plant produces spores

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Gametophyte

The plant produces two types of sex cells

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Annuals

Flowering plants that complete a life cycle within one growing season

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Biennials

The annuals except with two

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Perennials

Plants that live for more than two years

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Tropism

A plant's growth response towards or away from the stimulus

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Hormone

A chemical effect how the plant grows and develops

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Auxin

One important hormone

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Photoperiodism

A plant's response to seasonal changes in the length of night and day

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Critical night length

The number of hours of darkness that determines if the plant will flower

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Short day plant

Short day plants flower when the nights are longer than a critical

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Long day plants

Long day plants flowers when nights are shorter than a critical length

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Day neutral plants

Day neutral plants have a flowering cycle that is not sensitive to periods of light and dark

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Homeostasis

Keeping internal body conditions stable

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Adaptations

Structures, and behaviors that allow animals to preform their functions

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Vertebrates

Animals w back bone

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Invertebrates

Animals without a back bone

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Tissue

Paper 4 nose blowing

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Organ

A piano but 10x better

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Radial symmetry

Idk

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Bilateral symmetry

Idk

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Cnidaria

Idk

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Mollusk

Clam

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Arthropod

Idk

54

Exoskeleton

Outside skeleton

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Echinodern

Idk

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Endoskeleten

Inside skeleton

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Chordate

A chord that ate

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Notochord

A note of a chord

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Vertebra

A vertebrate

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Ectotherm

Outside heat

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Endothermic

Inside heat

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Neurons

Nerve cells

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Nerve impulse

Neuron message

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Dendrite

Branchlike structure that picks up impulses

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Axon

Long structure leading away from the cell body

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Nerve

A bundle of nerve fibers

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Sensory neuron

Picks up a stimulus

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Interneuron

Carries a nerve impulse

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Motor neuron

Sends impulse

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Synapse

Neuron transfers impulses to this

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Central nervous system

A nervous system

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Peripheral nervous system

A nervous system

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Brain

Brain

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Spinal chord

Spinal chord

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Cerebrum

?

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Cerebellum

?

77

Brain stem

A brain stem

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Somatic nervous system

A nervous system

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Autonomic nervous system

A nervous system

80

Reflex

Reflex

81

Concussion

Concussion

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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

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Lens

A circular structure that focuses light

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Retina

Lines the back of the eye and contains light sensitive cells

87

Nearsightedness

See nearby objects clearly but into focus of the retina

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Farsightedness

See distant objects clearly but not nearby objects

89

Eardrum

A membrane that vibrates when sound waves strike it

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Cochlea

A snail shaped tube lined with sound receptor cells

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Semicircular canal

A semicircle that is a canal

92

Taste buds

Things that you taste with