Botany Algae

Question 1

Gametophyte

Answer 1

multicellular haploid individual that produces gametes

Question 2

gametangium

Answer 2

A reproductive organ that holds/produces gametes

Question 3

Gamete

Answer 3

Sex Cell

Question 4

sporophyte

Answer 4

Diploid, male spore-producing phase

Question 5

sporangium

Answer 5

structure in sporophyte that produces spores (mitosis, asexually)

Question 6

meiospore

Answer 6

spore produced by meiosis, haploid

Question 7

Meiosis

Answer 7

Cell division that produces 4 haploid gametes

Question 8

Fertilization

Answer 8

fusion of two gametes to form a zygote

Question 9

Zygote

Answer 9

Diploid cell formed from fertilization

Question 10

diploid cell

Answer 10

2n, two sets of chromosomes

Question 11

haploid cell

Answer 11

1n, one set of chromosomes

Question 12

Protists

Answer 12

A eukaryotic organism that is not an animal, plant, or fungus. No common ancestor

Question 13

Spermatangium

Answer 13

Male structure that produces spermatia in red algae

Question 14

spermatia

Answer 14

male gametes in red algae

Question 15

Carpogonia (-ium)

Answer 15

female reproductive organ in some red algae

Question 16

Carposporophyte

Answer 16

Stage that produces carpospores

Question 17

tetrasporophyte

Answer 17

Adult stage of red algae product of meiosis, diploid

Question 18

brown algae

Answer 18

Phylum Phaeophyta

Question 19

Red Algae

Answer 19

Phylum Rhodophyta

Question 20

sorus

Answer 20

reproductive area of brown algae

Question 21

sporophyll

Answer 21

a leaf that bears sporangia

Question 22

stipe

Answer 22

stem of seaweed

Question 23

Holdfast

Answer 23

A rootlike structure that anchors a seaweed.

Question 24

pit connections

Answer 24

pits in walls of red algae cells that allow for intercellular communication even though plasmodesmata are not present

Question 25

carpospores

Answer 25

diploid spores produced by the carposporophyte form of red algae (female)

Question 26

Tetraspores

Answer 26

spores produced by meiosis in the tetrasporophyte

Question 27

trichogyne

Answer 27

tubular structure that allows for the attachment of spermatia for fertilization process (female)

Question 28

Plasmodesmata

Answer 28

channels through cell walls that connect the cytoplasms of adjacent cells

Question 29

Diplohaplontic life cycle

Answer 29

the haploid and diploid stages are equally prominent. Both stages produce vegetative plants, which differ only in function and chromosome number.

Question 30

diplontic life cycle

Answer 30

diplontic life cycle

Question 31

haplontic life cycle

Answer 31

The fusion of gametes culminates in the development of the zygote

Question 32

Diplontic example

Answer 32

Fucus Phaeophyta, Rockweeds

Question 33

tetrasporangia

Answer 33

sporangium containing four asexual spores. sporangium, spore case, spore sac - organ containing or producing spores.

Question 34

antheridium

Answer 34

Male reproductive structure in some algae and plants

Question 35

oogonium

Answer 35

female sex organ of certain algae and fungi, typically a rounded cell or sac containing one or more oospheres

Question 36

Oospheres

Answer 36

female reproductive cell of certain algae or fungi, formed in the oogonium and when fertilized becomes the oospore.

Question 37

Medulla

Answer 37

layer of cells, often with parallel filaments, compacted or loose, and of various shapes at the center

Question 38

Algae Thallus

Answer 38

Holdfast, stipe, blades