1103 first checkup prep

Question 1

any organism with DNA enclosed in a nucleus

Answer 1

eukaryote

Question 2

genus name for autotrophic, unicellular green algae that consists as microscopic, spherical cells

Answer 2

chlorella

Question 3

genus for autotropic, unicellular, single-celled green algae that live in fresh water, and each has a pair of flagella and a light-sensitive eye spot

Answer 3

volvox

Question 4

the process of asexual reproduction in which the DNA and cellular material of one cell divides to form two cells

Answer 4

binary fission

Question 5

is a genus that includes filamentous green algae with ribbonlike chloroplasts spiraling through each cell

Answer 5

spirogyra

Question 6

the process of sexual reproduction in which the cellular material of two cells fuses to produce a zygote

Answer 6

conjugation

Question 7

an asexual reproduction in which new algae grow from pieces that break off from a parent algae

Answer 7

fragmentation

Question 8

rarest kind of algae

Answer 8

yellow-green algae

Question 9

has two coiled protein ribbons, which can uncoil and eject the alga away from any danger

Answer 9

cryptomonad

Question 10

has a threadlike or feathery thallus that often forms many small branches

Answer 10

multicellular red algae

Question 11

euglenoids have chloroplasts containing chlorophyll, but they are not totally autotrophic because they feed on bacteria in a process called

Answer 11

phagocytosis

Question 12

Diatoms, golden algae, and yellow-green algae have rigid cell walls that contain

Answer 12

silca, the major component of glass

Question 13

most ………… are unicellular and autotrophic and are the primary organisms that make up phytoplankton in the ocean

Answer 13

diatoms

Question 14

an unusually rapid and widespread reproduction of algae that adversely affects the surrounding aquatic life

Answer 14

algal bloom