ECOLOGY

Back to **WELCOME** PAGE >>>>>>>>>Astronomy 7>>>>>>Science 8>>>>>Biology 9


ASSESSMENT ANCHOR: BIO.B.4 Ecology
Anchor Descriptor /Eligible Content
BIO.B.4.1 Describe ecological levels of organization in the biosphere.
BIO.B.4.1.1 Describe the levels of ecological organization (i.e., organism, population, community, ecosystem, biome, and biosphere).
BIO.B.4.1.2 Describe characteristic biotic and abiotic components of aquatic and terrestrial ecosystems.


Anchor Descriptor/ Eligible Content
BIO.B.4.2 Describe interactions and relationships in an ecosystem.
BIO.B.4.2.1 Describe how energy flows through an ecosystem (e.g., food chains, food webs, energy pyramids).
BIO.B.4.2.2 Describe biotic interactions in an ecosystem (e.g., competition, predation, symbiosis).
BIO.B.4.2.3 Describe how matter recycles through an ecosystem (i.e., water cycle, carbon cycle, oxygen cycle, and nitrogen cycle).
BIO.B.4.2.4 Describe how ecosystems change in response to natural and human disturbances (e.g., climate changes, introduction of nonnative species, pollution, fires).
BIO.B.4.2.5 Describe the effects of limiting factors on population dynamics and potential species extinction.


*Classification Ch 14
*Kingdom Introduction Ch 19

Modeling Ecosystems
http://glencoe.mcgraw-hill.com/sites/dl/free/0078802849/383926/BL_02.html


Habitat vs. Niche
A red spotted newt's habitat is pond, it's niche is carnivore.



Biotic vs. Abiotic Factors of a Habitat

BIO.B.4.1.2 Describe characteristic biotic and abiotic components of aquatic and terrestrial ecosystems.
eco_biotic.jpg eco_abiotic.jpg


ECOLOGIGAL LEVELS OF ORGANIZATION
BIO.B.4.1 Describe ecological levels of organization in the biosphere.
BIO.B.4.1.1 Describe the levels of ecological organization (i.e., organism, population, community, ecosystem, biome, and biosphere).

community & biome virtual lab - http://glencoe.mcgraw-hill.com/sites/dl/free/0078802849/383927/BL_24.html
ecological_levels.jpg

Population Studies
Graphic Depiction
Limiting Factors: food/water availability, territory, climate/weather

Adaptations


INTERACTIONS AMONG ORGANISMS

BIO.B.4.2 Describe interactions and relationships in an ecosystem.
BIO.B.4.2.1 Describe how energy flows through an ecosystem (e.g., food chains, food webs, energy pyramids).
BIO.B.4.2.2 Describe biotic interactions in an ecosystem (e.g., competition, predation, symbiosis).

Competition
comp.jpg

Predation
pred.jpg

Symbiosis
mutualism vs. commensalism vs. parasitism
mutualism.jpg
Mutualism: bee gets nectar food, plant gets pollinated.
comm.jpg
Commensalism: Clownfish gains protection from anemone while anemone is neither helped nor harmed.
para.jpg
Parasitism: Mosquito gains bloodmeal at the expense of the human.











Flow of Energy In Nature
http://glencoe.mcgraw-hill.com/sites/dl/free/0078802849/383926/BL_02.html
EnergyPyramid.jpgEnergyPyramid-26a65z5.gif

=


BIOMASS PYRAMIDS
aquatic-ecosystem-inverted-pyramid.jpegbiomass-upright-pyramid.jpeg.jpg




















Cycles

BIO.B.4.2.3 Describe how matter recycles through an ecosystem (i.e., water cycle, carbon cycle, oxygen cycle, and nitrogen cycle).


Carbon
Carbon-cycle.jpg


Look at the carbon cycle.

1) Removing forests affects this cycle in what way?
2) How does burning coal and gasoline affect the carbon cycle?
3) Name two ways carbon gets locked out of the atmosphere in the carbon cycle.
4) Google this: How much CO2 ´╗┐does an average conifer of the Taiga remove from the atmosphere in order to make glucose in one year?
5) Google this: What region of the world has the fastest deforestation rate currently?


















Hydrologic
hydroweath.jpg

Look at the Hydrologic Cycle

6) If toxins seap into the groundwater, how would that change the usable water supply for the globe?
7) How does transpiration differ from evaporation?
8) Acid rain occurs when by-products of combustion gather in the atmosphere and form sulfuric acid in the condensed water droplets. Google this: what areas of USA suffer from the most severe acid rain?
9) Google this: What roganisms in the ecosystem are most sensitive to slight changes in pH from neutral to acid?

























Nitrogen
36-16-NitrogenCycle-L.gif


Look at the nitrogen cycle.
10) What synonym do we use for detritovores?
11) What is detritus? (google this)
12) What types of plants require nitrogen fixing bacteria to live at their roots in order to get nitrogen nutrients?
13) What kind of symbiosis is number 12?
14) How does nitrogen get back into the atmosphere as N2?
15) What compound with nitrogen gets taken directly in by plants without the help of fixation?
16) What organic compounds in plants and animals are broken down by decomposer back into ammonia compounds.






















Change in Communities/Ecosystems

Succession: PRIMARY --------------------------------------------------------------------------------------------------------------SECONDARY
primarysuccession.jpg
secondarysuccession.jpg























Biomes & Ecosystems
world_biomes.jpg


LIFE CYCLES

Eastern Red Spotted Newt
newtifecycle.jpg 013_Life_cycle_of_a_jellyfishlife_cycle_angiosperm.jpg


ldybg.jpg




























ENVIRONMENTAL ISSUES

BIO.B.4.2.4 Describe how ecosystems change in response to natural and human disturbances (e.g., climate changes, introduction of nonnative species, pollution, fires).
BIO.B.4.2.5 Describe the effects of limiting factors on population dynamics and potential species extinction.
Vector_Landscape.jpg



























Natural Resources - renewable vs. nonrenewable
renewablenonrenewableresources.jpg


























Overpopulation
overpopulation.jpg




Habitat Destruction
5-Deforestation.jpg

Extinction of Species



Pollution

Virtual Labs
http://glencoe.mcgraw-hill.com/sites/dl/free/0078802849/383929/BL_09.html

http://glencoe.mcgraw-hill.com/sites/dl/free/0078757134/383929/BL_09.html

Recycling
http://www.glencoe.com/sites/common_assets/science/virtual_labs/ES19/ES19.html



Climate Change

Your carbon footprint: http://www.nature.org/greenliving/carboncalculator/




Test Review
http://www.sciencegeek.net/Biology/review/U7Review.htm