Diversity Labs And Lectures

Question 1

Coccus

Answer 1

Spherical bacteria

Question 2

Bacillus

Answer 2

Elongated/cylindrical bacteria

Question 3

Spirillum

Answer 3

Twisted corkscrew shaped bacteria

Question 4

What does it mean to be gram positive

Answer 4

A bacteria that can take a gram stain and appears purple

Question 5

What does it mean to be gram negative

Answer 5

A bacterium that does not take a gram stain (typically pink in appearance)

Question 6

Binary fission

Answer 6

The method in which bacteria reproduce asexually

Question 7

Conjugation

Answer 7

Lateral genetic recombination between bacteria

Question 8

Phycocyanin

Answer 8

A blue accessory pigment in photosynthetic organisms

Question 9

Phycoerythrin

Answer 9

A red accessory pigment in photosynthetic organisms

Question 10

Sheath

Answer 10

The jelly like capsule Cyanobacteria reproduce by fission in

Question 11

Trichromes

Answer 11

Long chains of Cyanobacteria

Question 12

Heterocysts

Answer 12

Larger thick walled cells where nitrogen fixation occurs

Question 13

Algae

Answer 13

A type of protist also referred to as seaweed

Question 14

Filamentous algal species

Answer 14

Chains of algal protists attached end to end

Question 15

Colonial algae

Answer 15

Groups of protist algal cells attached in a no filamentous manner

Question 16

Stigma

Answer 16

A light absorbing spot at the anterior end of chlamydomonas (unicellular green algae)

Question 17

Chlamydomonas

Answer 17

Unicellular green alga (protist)

Question 18

Isogamous

Answer 18

Gametes of two strains of protists having identical shape and appearance

Question 19

Syngamy

Answer 19

Pairing and fusion of morphologically similar haploid gametes to form a diploid zygote

Question 20

Zygospore

Answer 20

A zygote surrounded in a resistant surface

Question 21

Spores

Answer 21

Haploid individuals produced by meiosis

Question 22

Conjugation

Answer 22

Sexual reproduction in spyrogyra

Question 23

Fragmentation

Answer 23

Asexual reproduction in spirogyra

Question 24

Conjugation tube

Answer 24

What is formed when filaments lay side by side and form projections that touch to create a zygote

Question 25

Spirogyra and cladophora

Answer 25

Filamentous green algae

Question 26

Sporophyte

Answer 26

The diploid stage of the life cycle that produces spores

Question 27

Gametophyte

Answer 27

The haploid stage of the lifecycle that produces gametes

Question 28

Alternation of generations

Answer 28

The phenomenon of alternating haploid and diploid stages of a life cycle

Question 29

Oogamy

Answer 29

Motile sperm swimming to and fusing with a large nonmotile egg to form a diploid zygote

Question 30

Daughter colonies

Answer 30

The product of asexual reproduction in volvox; new colonies that initially reside within their parent colony

Question 31

Volvox

Answer 31

Colonial green alga

Question 32

Fucoxanthin

Answer 32

Brown pigment in brown alga

Question 33

Conceptacles

Answer 33

Tips of Fucus branches

Question 34

Oogania

Answer 34

Multicellular sex organs that produce eggs

Question 35

Antheridia

Answer 35

Multicellular sex organs that produce sperm