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BIO 114-Plant Diversity > MIDTERM 1 > Flashcards

MIDTERM 1 Flashcards

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Biology 101 flashcards
1
Q

What are leaves attached to?

A

Leaves are attached at nodes
One or more leaves occur at each node

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2
Q

Internodes

A

Internodes are the space between each node

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3
Q

Apical meristem

A

The apical meristem produces tissues that grow into mature stem and leaf tissues

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4
Q

Meristems

A

where growth occurs

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5
Q

California (wide and length)

A

200 miles wide; 800 miles long; 160,000 square miles in area

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6
Q

CA Topography

A

Topographically diverse
–The highest point in continental US (Mt. Whitney 14,495 ft)
–Lowest point (Death Valley 276 ft below sea level)

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7
Q

CA Climate

A

Portions of California, such as SLO, have a mediterranean climate
(Mild, wet winters, and warm, dry summers)
Coastal Areas
(Mild daily and seasonal temperatures)
High mountains
(Extreme seasonal and daily temperatures)
Locations a short distance apart may have very different climates and vegetation

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8
Q

Influence of Topography and Elevation

A

Precipitation increases and temperature decreases with elevation due to orographic effect

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9
Q

Rain Shadows

A

Mountains create “rain shadows”
-The climate is drier on lee slopes of mountains than on
windward slopes

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10
Q

Biodiversity Hotspots

A

Regions that harbor a great diversity of species and have been significantly impacted by humans

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11
Q

Floristic Provinces (CA has 3)

A

California Floristic Province
Great Basin Floristic Province
Sonoran Floristic Province

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12
Q

California Floristic Province

A

-Contains about 85% of the genera in California and 81% of the species
-Includes about 75% of the
state’s area plus
southwestern corner of
Oregon, northwestern
corner of Baja California,
and part of Nevada near
Lake Tahoe

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13
Q

Endemic Species

A

Confined to a particular location, region, or habitat

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14
Q

Ecotones

A

spatial borders where two or more communities come together

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15
Q

Succession

A

transition of community structure and composition through time

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16
Q

Why do we have plant names?

A

Plant names allow us to communicate about plants that:
We use for food, clothing, shelter, medicine
We grow in our gardens, yards, orchards
Encounter in the wild

17
Q

Advantages of common names

A

Use begins in childhood
Used by untrained laymen
Generally easy to remember usually in the local language

18
Q

Disadvantages of common names

A

Not standardized
Vary regionally
One plant-several different common names
Many plants have no common names

19
Q

Genus

A

group of species with shared ancestry and characteristics

20
Q

Angiosperms

A

Seeds develop inside fruit
-about 300,000 living plant species (88%)

21
Q

CA Plant diversity

A

-CA has about 8,000 distinct species
-1,088 non-native species
-6,875 native species

22
Q

how much of CA’s species are endemic?

A

1/3

23
Q

binomial

A

The name of a species is a
two-word Latin name

24
Q

genus

A

first word to
which the plant is assigned

25
Q

pedicel

A

flower stalk

26
Q

receptacle

A

where flower organs attach

27
Q

stamens

A

pollen producing structures

28
Q

the pistil is made of 1 or many ___

A

carpels (carpels enclose seeds

29
Q

the ovary

A

swollen part of pistil

30
Q

flower symmetry

A

Radial and Bilateral

31
Q

Orographic Effects

A

temperatures decrease along elevation gradients at an
average rate of 3.5 degrees

32
Q

Biological Diversity

A

There is a great diversity of plants in California
due to the diversity of topography and climate in
the state

33
Q

SLO County

A

-Area about 3,000 sq miles
-about 100 miles coastline
-about 1,500 native plant species

34
Q

The corolla is made of ___

A

petals

35
Q

different types of pollination

A

-bird pollination
-bat pollination
-fly pollination
-wind pollination

36
Q

Synoecious

A

flowers have both
stamens and pistils

37
Q

Monoecious

A

separate sexed
flowers on one individual

38
Q

Dioecious

A

individual plants are
one sex or the other

39
Q

Inflorescence

A

a cluster of flowers in a
specific arrangement

BIO 114-Plant Diversity (2 decks)

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