lab quiz bacteria and protista

Question 1

cyanobacteria (blue green bacteria)

Answer 1

-no alteration of generations
-heterocyst: cells that help in nitrogen fixation

Question 2

kingdom protista

Answer 2

-undergo sexual reproduction with alteration of generations
-dominant stage is haploid

Question 3

gametophytes

Answer 3

-oogonium: where egg is made
-antheridium: produces speerm

Question 4

chlamydomonas

Answer 4

-unicellular
-haploid gametes are isogamous
-motile gametes

Question 5

isogamy

Answer 5

gametes don’t differ in size or form

Question 6

spirogyra

Answer 6

-colonial
-sexual reproduction occurs by conjugation
-isogamous gametes
-no zoospores or motile cells

Question 7

ulothrix

Answer 7

-filamentous multicellular
-isogamous gametes
-motile zoospores (gametes) and zygote

Question 8

oedogonium

Answer 8

-filamentous multicellular
-fertilization occurs in stationary female gamete
-oogamy

Question 9

oogamy

Answer 9

one stationary gamete, one motile gamete

Question 10

chlorophyta

Answer 10

-hydrodictyon: netlike
-volvox: colonial alga

Question 11

coleochaete (green algae)

Answer 11

-most closely resemble land plant cells
-form cell plate during cell division
-protected zygote