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Biology > Biodiversity Short Answer > Flashcards

Biodiversity Short Answer Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What are the three levels of biodiversity?

A

genetics
species
ecosystem diversity

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2
Q

What is an invasive species? Give an example of an invasive species in MN.

A

an introduced species that spreads out and often has harmful effect
Buck Thorn

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3
Q

What is a biodiversity hotspot? Give an example of a biodiversity hotspot.

A

biogeographic region that is significant reservoir of biodiversity and threatened with destruction
Himalayans

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4
Q

What is a keystone species?

A

species whose role is essential for the survival of many others

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5
Q

What is an endemic species?

A

species that are found in a specific location and nowhere else on Earth

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6
Q

What is an indicator species?

A

species which give us a look at the current health of the environment

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7
Q

What does extirpated mean?

A

missing from areas they had originally occupied

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8
Q

Explain the greenhouse effect and how it causes global climate change.

A

solar radiation is reflected by the Earth
most of the solar radiation is absorbed by greenhouse gas molecules
when the number of greenhouse molecules rises too much

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9
Q

What are two types of greenhouse gases?

A

carbon dioxide
methane

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10
Q

Explain how angiosperms reproduce through pollination. Be sure to mention what part of the flower produces pollen grains and where the pollen grains land on the flower.

A

pollen grains, produced on anthers, reach the stigma and sen pollen tube down into ovary
as pollen tube penetrates the ovule, it releases two sperm cells
when sperm cell fertilizes an egg cell, a seed for a new plant is formed

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11
Q

What are the four different kingdoms of living things in the domain eukarya?

A

sponges
cnidarians
mollusks
arthropods/echinoderms

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12
Q

What are the three different domains of living things?

A

plant
fungi
animal

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13
Q

Bryophytes: Vascular or nonvascular?

A

nonvascular

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14
Q

Bryophytes: Seed or seedless?

A

seedless

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15
Q

Bryophytes: Examples

A

mosses
liverworts
hornworts

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16
Q

Ferns: Vascular or nonvascular?

A

vascular

17
Q

Ferns: Seed or seedless?

A

seedless

18
Q

Ferns: Examples

A

horsetail
ferns
club mosses

19
Q

Gymnosperms: Vascular or nonvascular?

A

vascular

20
Q

Gymnosperms: Seed or seedless?

A

seeds

21
Q

Gymnosperms: Examples

A

conifers
cycads
ginkgoes

22
Q

Angiosperms: Vascular or nonvascular?

A

vascular

23
Q

Angiosperms: Seed or seedless?

A

seeds

24
Q

Angiosperms: Examples

A

grasses
wildflowers
flowering trees

25
Q

Xylem and phloem are the two types of vascular tissues. What does the xylem transport? What does phloem transport?

A

xylem: water
phloem: nutrients and sugars

26
Q

Why did some plants evolve to produce seeds?

A

protect the plant’s embryo
can be dispersed farther than spores

27
Q

Give two reasons why species diversity is highest in the tropics or along the equator?

A

receives more solar energy
less seasonal variations

28
Q

What are two instrumental values that biodiversity has? Why is biodiversity important to humans?

A

sources for food and raw materials
sources for medical and pharmaceutical

29
Q

How is the arrangement of vascular tissue in a cross section of a stem different between a monocot and a dicot?

A

monocot: no pattern
dicot: arranged in a ring shape

30
Q

How are the leaf veins different between a monocot and a dicot?

A

monocot: parallel
dicot: web-like

31
Q

List three types of fungi

A

common mold
sac fungi
club fungi

32
Q

How do fungi obtain their energy?

A

digest food outside of body then absorb it

33
Q

What is the fruiting body of fungi?

A

reproductive structure growing from the mycelium in the soil beneath

34
Q

What are cordyceps?

A

parasitic fungi that infects insects

Biology (5 decks)

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