Bio test 2

Question 1

Lives in high salt environments

Answer 1

Halophile

Question 2

Lives in high temperatures

Answer 2

Thermophiles

Question 3

The domain comprised of organisms whose cells
contain true nucleus

Answer 3

Eukarya

Question 4

single-celled microorganisms that have no cell
nucleus or any other membrane-bound organelles

Answer 4

Archaea

Question 5

Group of microscopic single-celled organisms that
live in unfathomable numbers in nearly every
environment on earth

Answer 5

Bacteria

Question 6

Fission
– Most divide every 1-3 hrs
– Very short generation times
– High rate of evolution

Answer 6

Bacterial Reproduction

Question 7

do not reproduce sexually
– However, rapid division spreads mutations
fast
– Creates numerous cells with novel mutation
quickly

Answer 7

Genetic Diversity in Bacteria

Question 8

Nitrogen Fixation, Decomposition,
Symbionts

Answer 8

Ecological Role of Bacteria

Question 9

emission of light by
living organism via enzyme-catalyzed
reaction
Bacterial “headlights” of the Flashlight Fish

Answer 9

Bioluminescence

Question 10

organisms that break
down dead or
decaying organisms
- Bacteria
– Fungi
– Arthropoda

Answer 10

Decomposers

Question 11

Only bacteria that lack cell walls
* This make them very resistant to antibiotics

Answer 11

Mycoplasmas

Question 12

Membrane Bound Nucleus
– Membrane bound organelles
* Mitochondria, Chloroplasts, Golgi
Eukaryotic Characteristics

Answer 12

Protozoa

Question 13

Protozoan Feeding Styles

Answer 13

Heterotrophic Autotrophic

Question 14

Photosynthetic protozoans
– Euglena, Vovox

Answer 14

Autotrophic

Question 15

Consume other organisms
– Amoeba

Answer 15

Heterotrophic

Question 16

in protozoans occurs via
sexual and asexual reproduction

Answer 16

Reproduction

Question 17

Single nuclear division
* Two identical offspring

Answer 17

Binary Fission

Question 18

Repeated nuclear division
* Several identical offspring

Answer 18

Multiple Fission

Question 19

Causes “beaver fever”. Symptoms include diarrhea, stomach pain, and greasy poops.
heterotroph

Answer 19

Giardia intestinalis

Question 20

Found in Parabasalids
heterotroph
Sexually transmitted disease, particularly in urinary tract and vagina

Answer 20

Trichomonas vaginalis

Question 21

heterotroph
Transmitted by insects and cause Chagas disease. Symptoms include fever and inflammation of heart.

Answer 21

Trypanosoma

Question 22

autotroph
Marine plankton that are important source of global oxygen, but can also cause toxic red tides.

Answer 22

Dinoflagellates

Question 23

Found In Ciliates
heterotroph
Move using small hairs or cilia along their body.

Answer 23

Paramecium

Question 24

Found in Brown algae
autotroph
Large plant-like organism that forms “kelp forests” in ocean. Can be important human food.

Answer 24

Kelp

Question 25

Above ground – Photosynthesis – Reproduction

Answer 25

Shoots

Question 26

– Below ground – Obtain water, minerals – Anchor plants in place – Some storage

Answer 26

Roots

Question 27

Conducts water, minerals – From root to shoot

Answer 27

Xylem

Question 28

Conducts sugars – From leaf to root

Answer 28

Phloem

Question 29

Bring in CO2 – Capture light – Make sugar – Release oxygen

Answer 29

Above Ground Portion

Question 30

Absorb water Absorb nutrients

Answer 30

Below Ground Portion

Question 31

Conversion of light energy to chemical energy that is stored in sugar or other organic compound – Plants – Algae – Some prokaryotes

Answer 31

Photosynthesis

Question 32

How Plants Colonized the Land

Answer 32

Plant Diversity

Question 33

* First fossil evidence ~380 mya * First Seed Bearing Plants – ~360 mya Lived with Lycopods – Permian dried and favored conifers Earliest true – ~305 mya

Answer 33

gymnosperms

Question 34

– Small, wind dispersed – Tolerable of poor conditions – Single celled

Answer 34

Early spores

Question 35

Multicellular – Large seed coat – Supply of food

Answer 35

Seeds

Question 36

Flowers and Fruit

Answer 36

Angiosperms

Question 37

Heterotrophs – Absorb rather than ingest – Decomposers, parasites, mutualists

Answer 37

Fungus

Question 38

ecological interaction that benefits each interacting species

Answer 38

Mutualism

Question 39

organism that “feeds” on another (the host)

Answer 39

Parasitism