Biology 5.3-5.5 Flashcards

1
Q

nonflowering vascular
plants with spore-­bearing leaves and horizontal underground stems

A

ferns

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2
Q

tiny, one-­celled reproductive structures that can grow into distinct or independent organisms under the proper conditions

A

spores

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3
Q

groups of minute spore cases

A

sori

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4
Q

minute spore cases

A

sporangia

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5
Q

the stage that you see and think of as a fern; as its name implies, it is an asexual stage that produces spores

A

sporophyte

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6
Q

much smaller and is the sexual stage that produces gametes

A

gametophyte

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7
Q

quite different from the original fern plant and is the beginning of the gametophyte generation

A

prothallus

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8
Q

creep­
ing vascular plants with erect stems that bear spores in club-shaped, cone-­like structures

A

club mosses

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9
Q

vascular
plants with unique hollow, jointed stems and very small leaves present only at the joints

A

horsetails

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10
Q

nonvascular plants
that lack xylem and phloem, the tissues that conduct water and food in vascular plants

A

mosses

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11
Q

moss-like plants and liverworts

A

bryophytes

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12
Q

tiny hair­ like threads which grow into the soil to absorb water and minerals

A

rhizoids

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13
Q

is not a moss but a flow­ering plant and a member of the pineapple family.

A

spanish moss

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14
Q

peat moss

A

moss that helps prevent soil erosion

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15
Q

d plant materials that collect in swamps and marshes (peat bogs) over time

A

peat

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16
Q

alternation of generations is what

A

when plants use both a sexual and sexual reproduction

17
Q

lack true leaves, roots, and stems and grow along the surface of the soil, attached by rhizoids

A

liverworts

18
Q

the smallest of the green,
chlorophyll-­containing organisms

A

algae

19
Q

microorganisms that float near the surface of the water and provide food for larger organisms

A

plankton

20
Q

the largest group of algae

A

green algae

21
Q

groups of algae

A

colonies

22
Q

unicellular green alga that lives in both soil and water, is unusual in that it possesses two distinctly animal­-like characteristics

A

Chlamydomonas

23
Q

whip­like structures that allow locomotion

A

flagella

24
Q

d lives as a single cell with a belt­like constriction about its middle dividing it into two identical semicells

A

desmids

25
Q

live in pale­-green globular colonies, which are just barely visible to the unaided human eye. Each colony is hollow, with a watery fluid filling the inner cavity

A

volvox

26
Q

have been used
in biological laboratories for many types of scientific investigations

A

Spirogyra

27
Q

possibly the most abundant life form on earth except for bacteria

A

diatoms

28
Q

creator of the Nobel prize, discovered that diatomaceous earth would absorb three times its own weight of nitroglycerin

A

alfred nobel

29
Q

contain green chlorophyll, but it is masked by the presence of the same golden­-brown pigment found in yellow algae.

A

brown algae

30
Q

the largest of the brown algae

A

kelp

31
Q

seaweed is in what algae group

A

brown algae

32
Q

a gelatinous sub­stance used in many food products

A

carrageenan

33
Q

h laboratories use as a culture medium for growing bacteria, is also derived from red algae

A

agar

34
Q

are a monophyletic group of single-celled eukaryotes constituting the phylum Dinoflagellata[5] and are usually considered protists

A

dinoflagellates

35
Q

occurs when this dinoflagellate blooms, or grows so rapidly that the water is tinged with a pinkish color

A

red tide

36
Q

] are microscopic, one-­celled, aquatic organisms found in both fresh water and salt water

A

dinoflagellates

37
Q

blue and red pigments along with the green chlorophyll;

A

cyanobacteria

38
Q

process in which plant nutrients enter an aquatic ecosystem

A

Eutrophication

39
Q

genus of nitrogen­-fixing cyanobac­teria whose cells look like tiny beads or barrels

A

anabaena