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bio 20 ib > B1 > Flashcards

B1 Flashcards

1
Q

Ecotone

A

Area between ecosystems where organisms interact

Edges: More biodiverse, organisms move back and forth between ecosystems

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2
Q

Habitat

A

Where a organism lives and gets its resources

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3
Q

Niche

A

Rols of a organsim in a ecosystem and how it intracts with it

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4
Q

Range

A

The spatial area where a species is found

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5
Q

Distrubution

A

How individuals in a population are distrubted at a given time

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6
Q

Ecological niche

A
  • Place in a food web
  • Habitat
  • Breeding area
  • Time its most active
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7
Q

Territoral Niche

A

Helps understand how organisms interact in a ecosystem

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8
Q

New (exotic) species

A
  • New spieces that can cause disturbance
  • How do they arrive?

Natural movement, seed dissposal, new routes, human introduction

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9
Q

Major causes of depletion, extinction, and habitat loss (exotic species)

A
  • No natural population controls
  • Native species cant compete
  • prey lack defense mechanisms
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10
Q

Biome

A

Region with a specific climate and species adapted to it

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11
Q

Aibotic factors of quatic ecosystems

A
  • Temperature
  • Sunlight
  • Dissolved Oxygen
  • Depth
  • Light
  • Clarity
  • Salinity
  • pH
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12
Q

Lake Ecosystems

Littoral

A

From shore to the point where no more plants grow

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13
Q

Lake Ecosystems

Limnetic Zone

A

Open water, suffeicent enough for photsynthesis

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14
Q

Lake Ecosystems

Profundal Zone

A

Beneath limnetic, insuffiecient light for photosynthesis

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15
Q

Lake Ecosystems

Benthic Zone

A

Lowest Zone, usually sediment at seafloor

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16
Q

Seasonal varaition

Epilimon

A

Warmest layer, usually during summer

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17
Q

Seasonal variation

Thermocline

A

Middle ground between where temparuture grdually decreses

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18
Q

Seasonal variation

Turnover

A

Fall and spring, turns water into to the same layer

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19
Q

seasonal variation

Winter

A

turns the top layer into ice

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20
Q

Eutrophic lake

A
  • High nutrients level
  • High photosynthesis
  • murky
  • Oxygen poor
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21
Q

Oligotrophic

A
  • Low nutrients
  • Photosynthesis limited
  • clear water
  • Oxygen rich
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22
Q

Terrestial aibiotic factors

A
  • Depth of soil
  • Soil nutrients
  • Light
  • temperature
  • water availabity
23
Q

Soil layers

Litter

A

Made up of partially decomposed leaves/grasses, and is the topmost layer

24
Q

Soil Layers

Topsoil

A

Made up of small rocks, decaying plants, and animal matter, Beneath litter

25
Q

Soil Layers

Subsoil

A

Made up of rock particles and some organic matter

26
Q

Soil Layers

Bedrock

A

Layer rock, end of soil

27
Q

Water table

A

Boundary between groundwater and soil

28
Q

Biotic limiting factors

A
  • Compeiton for resources
  • Predation
  • Parasites
29
Q

Interspecific

A

Competion etween 2 different species

30
Q

Intraspecific

A

Competition between the same species

31
Q
A
32
Q

Aibiotic limitin factors

A
  • Water
  • temperature
  • sunlight
  • oxygen
33
Q

Taxonomy

A

Classifification system that infers reltionships among organisms

34
Q

Dancing
Kangaroo
Play
Catch
On
Fuzzy
Green
Sand

A

Domain
Kingdom
Phylum
Classes
Order
Families
Genus
Species

35
Q

Domains

Eubacteria

A
  • Unicellular/prokaryote
  • No nuclues
  • Asexual
  • Mixotrophic
  • Variety of habitats

is bacteria that makes you sick, help you digest, fix nitrogen,etc

36
Q

Domains

Archaebacteria

A
  • Unicellular
  • Asexual
  • Chemoautotrophic or heteortrophic
  • Extreme enviornments
37
Q

Domains

Eukaryota

A
  • Uni and cellular
  • Sexual
38
Q

Kingdoms

Bacteria

A
  • Single celled
  • Wide range of habitats
  • Prokaryotes
38
Q

Kingdoms

Archea

A
  • Single celled
  • Extreme environmetns
  • Prokaryote
39
Q

Kingdoms

Protista

A
  • Single and multi celled
  • Eukaryotic
40
Q

Kingdoms

Fungi

A
  • Single and multi celled
  • Eurakyotic
  • Secretes enzymes to ingest
41
Q

Plantae

A
  • Multicelled
  • Eukaryote
  • photosynthesis
42
Q

Kingdom

Animalia

A
  • Eukaryotic
  • multi celled
  • heterotropjs
43
Q

Plant pyhla

Byrophytes

A
  • No true roots
  • Anchored by rhizoids
  • No vascular
  • Reproduce via spore
44
Q

Plant pyhla

Filicnophyta (ferns)

A
  • Has leaves, roots, stems (leaves are pinnae)
  • has vascular
  • reproduce with spores
45
Q

Plant pyhla

Coniferophytes (Woody trees, shrubs)

A
  • Leaves, roots, stems
  • Stems are woody, leaves are waxy and needle like
  • Vascular
  • Reproduce via non-motile seeds
46
Q

Plant pyhla

Angiosperophyta (flowering plants)

A
  • Leaves, roots, stems
  • Highly variable in structure
  • Vascular
  • Reproduces in seeds
47
Q

Animal Phyla

Porifera (Sea sponges)

A
  • Asymmetrical
  • No mout or anus
  • Silica or Calcium carbante based
  • Fixed in place (sessile)
48
Q

Animal Phyla

Cnidaria (Anemones, Coral, Jellyfish)

A
  • Radial (Circular)
  • Mouth but no anus
  • May have stinging tentacles used for hunting prey
  • Corals secrete calcium arbonate skeleton
49
Q

Animal Phyla

Platyhelminthes (flatworms)

A
  • Bilateral (two sides
  • Mouth but no anus
  • Flattened body (High SA:V ratio)
  • Maybe parasitic and require host organism
50
Q

Animal Phyla

Annelida (Earthworms and Leeches)

A
  • Bilateral body
  • Seperate mouth and anus
  • Ringed segments
  • Perisataltic contraction at segments
51
Q

Animal Phyla

Mollusca (Slugs, Squids, bivalves)

A
  • Bilateral
  • Seperate mouth and anus
  • Visceral muscle mass, muscle foot and mantle
  • Diverse in sie and anatomical structure
52
Q

Animal Phyla

Arthopoda (Spiders and Scorpians)

A
  • Bilateral
  • Seperate mouth and anus
  • Jointed body secretions and appendages
  • Hard chitinous exoskeleton
  • 80% of all species are arthopoda
53
Q

Animal Phyla

Chordata (veterbrates)

A
  • Bilateral
  • Seperate mouth and anus
  • Notochord, hollow, dorsal nerve tube all develop into a backbone
  • Some subphyla are invertabrates

bio 20 ib (6 decks)

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