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Lab Practical 3 > Diversity of Life II > Flashcards

Diversity of Life II Flashcards

1
Q

Which plant species has no vascular tissues?

A

Chlorophytes

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2
Q

Which plant species has unicellular embryos?

A

Chlorophytes

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3
Q

Gymnosperms

A

Produce seeds, but no flowers/fruit

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4
Q

Angiosperms

A

Produce seeds + flowers/fruit

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5
Q

Protostome

A

Mouth develops before anus

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6
Q

Deuterostome

A

Anus develops first, mouth second

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7
Q

Genotype frequency = frequency of Aa / ?

A

total population size

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8
Q

Allele frequency = frequency of A / ?

A

gene pool size

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9
Q

2 chromosomes of each type in a cell

A

diploid

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10
Q

one type of each chromosome per cell

A

haploid (gametes,spores)

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11
Q

Multicellular, diploid plant that grows from the zygote

A

sporophyte

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12
Q

Sporophytes produce _ by way of _

A

spores; meiosis

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13
Q

Haploid plant

A

gametophyte

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14
Q

Gametophytes produce _ by way of _

A

gametes; mitosis

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15
Q

Exchange between diploid, spore producing phase and haploid, gamete producing phase

A

alternation of generations

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16
Q

Mosses, land plants, need moist habitats, lack tracheids (specialized tissue for water transport)

A

nontracheophyte plants

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17
Q

Which generation of nontracheophytes is more common?

A

gametophyte

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18
Q

Well adapted to terrestrial habitats, vascular, transport systems for water and to conduct nutrients

A

tracheophytes

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19
Q

Club mosses, have roots, stems & leaves, leaves have only one unbranched vein

A

lycophytes

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20
Q

Types of tracheophytes

A

lycophytes, pterophytes, seed-bearing vascular plants (angio & gymnosperms)

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21
Q

Vascular system composed of xylem and phloem, no roots

A

whisk fern

22
Q

Pterophytes

A

ferns

23
Q

Reproductive structures of ferns

A

sori

24
Q

Fern sperm are produced in the

A

antheridia

25
Q

Fern sperm must swim to the _, which houses eggs

A

archegonia

26
Q

Plant type most adapted to terrestrial habitats

A

seed plants

27
Q

Cycad, ginkgo trees, and pine trees are

A

gymnosperms

28
Q

2 tissue layers, radial symmetry, salt-water creatures, inner tissue layer is the gastrodermis which has specialized cells for contraction and digestion

A

cnidarians

29
Q

Cnidarians include

A

hydras, jellyfish, & corals

30
Q

Immbolizing structures of cnidarians

A

nematocysts

31
Q

Aquatic, 3-layer perforated sac (epidermis, amoeboid cells, flagella), no tissues, skeletons

A

poriferans (sponge)

32
Q

Eumetazoans

A

all animals besides sponges; have tissue layers and body symmetry

33
Q

Which animal group has tissues organized into 2 layers and radial body symmetry?

A

cnidarians

34
Q

All prostostomes and deuterostomes are

A

bilateral, with tissues organized into 3 layers

35
Q

Non-molting protostomes

A

flatworms, rotifers, annelids, mollusks

36
Q

Coelems

A

“tube within a tube” body layout

37
Q

Acoelemates

A

no coelem, non-molting; flatworm

38
Q

Pseudocoelomates

A

space between layers is not filled with cells, non-molting; rotifers & nematodes (roundworms)

39
Q

Which organisms molt

A

anthropods (insects), nematodes (parasitic roundworms)

40
Q

Identify: exoskeleton made of chitin, molting, coelem, protostomes, segmented bodies, paired & joined appendages, open circulatory systems, contains insects, crabs, spiders, etc.

A

anthropods

41
Q

Deuterostomes include

A

echinoderms (starfish, sea urchins, sand dollars), chordates (sea horses, frogs, turtles, snakes, humans)

42
Q

Slow-moving or immobile animals living on the sea floor; brainless

A

echinoderms

43
Q

Notochords (supportive tissue rod); hollow dorsal nerve tube; pharyngeal arches, pouches, and slits

A

chordates

44
Q

Snails, clams, squids, octopuses

A

mollusks

45
Q

Which organisms are non-molting

A

mollusks, annelids, flatworms, rotifers

46
Q

Which organisms are coelemates

A

mollusks, annelids, anthropods

47
Q

Polychaete and oligochaete

A

annelids

48
Q

Have stiff bristles called setae

A

polychaete

49
Q

No well-developed head and few setae

A

oligochaete (earthworms)

50
Q

Foot, visceral mass and mantle

A

mollusks

Lab Practical 3 (1 decks)

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