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Biology test 2 > Bio test 2 > Flashcards

Bio test 2 Flashcards

1
Q

Lives in high salt environments

A

Halophile

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2
Q

Lives in high temperatures

A

Thermophiles

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3
Q

The domain comprised of organisms whose cells
contain true nucleus

A

Eukarya

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4
Q

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

A

Archaea

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5
Q

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

A

Bacteria

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6
Q

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

A

Bacterial Reproduction

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7
Q

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

A

Genetic Diversity in Bacteria

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8
Q

Nitrogen Fixation, Decomposition,
Symbionts

A

Ecological Role of Bacteria

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9
Q

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

A

Bioluminescence

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10
Q

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

A

Decomposers

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11
Q

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

A

Mycoplasmas

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12
Q

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

A

Protozoa

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13
Q

Protozoan Feeding Styles

A

Heterotrophic Autotrophic

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14
Q

Photosynthetic protozoans
– Euglena, Vovox

A

Autotrophic

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15
Q

Consume other organisms
– Amoeba

A

Heterotrophic

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16
Q

in protozoans occurs via
sexual and asexual reproduction

A

Reproduction

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17
Q

Single nuclear division
* Two identical offspring

A

Binary Fission

18
Q

Repeated nuclear division
* Several identical offspring

A

Multiple Fission

19
Q

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

A

Giardia intestinalis

20
Q

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

A

Trichomonas vaginalis

21
Q

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

A

Trypanosoma

22
Q

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

A

Dinoflagellates

23
Q

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

A

Paramecium

24
Q

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

A

Kelp

25
Q

Above ground
– Photosynthesis
– Reproduction

A

Shoots

26
Q

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

A

Roots

27
Q

Conducts water, minerals
– From root to shoot

A

Xylem

28
Q

Conducts sugars
– From leaf to root

A

Phloem

29
Q

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

A

Above Ground Portion

30
Q

Absorb water
Absorb nutrients

A

Below Ground Portion

31
Q

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

A

Photosynthesis

32
Q

How Plants Colonized the Land

A

Plant Diversity

33
Q
  • First fossil evidence ~380 mya
  • First Seed Bearing Plants
    – ~360 mya
    Lived with Lycopods
    – Permian dried and favored conifers
    Earliest true
    – ~305 mya
A

gymnosperms

34
Q

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

A

Early spores

35
Q

Multicellular
– Large seed coat
– Supply of food

A

Seeds

36
Q

Flowers and Fruit

A

Angiosperms

37
Q

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

A

Fungus

38
Q

ecological interaction that
benefits each interacting species

A

Mutualism

39
Q

organism that “feeds” on
another (the host)

A

Parasitism

40
Q
A

Biology test 2 (9 decks)

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