Microbial groups

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Floating topic

Viruses

ecological functions

causes disease in human

biological warfare

replication steps:

a)attachment/absorbtion

b)penetration

c)replication

d)assembly

e)release

obligate intracellular parasites

cannot replicate outside the cells

procaryotes

bacteria:various morphology

ecolgical function

recycling of chemical components

symbiotic relationships

environmental applications

photoautotrophs

chemotrophs

autotrophs

heterotrophs

Subtopic

binary fission

Eucaryotes

fungus:primary terrestrial,few freshwater and marine

reproduction

sexual,asexual or both

ecological impact

decomposers

pathogens

feeding forms:

saprobic heterotrophs

parasitic heterorophs

mutualistic heterotrophs

slime/water molds:resemble fungi in appearance and style

ecological functions:

engulf bacteria

decomposer and consumer in ecosystem

nutrient recycler

cause disease

Oomycota

Acrasiomycota

Myxomycota(plasmodial slime molds)

algae:simple aquatic plants,lack of vascular conducting system and simple reproductive system

ecology

seaweed

phytoplankton(food base for marine food chains)

Reproduction:sexual or asexual reproduction

Nutrition:photoautotrophic or chemoheterotrophic

distribution

planktonic

benthic

neustonic

protozoa:motile eucaryotic unicellular protist

ecological role

interaction with higher organism

in marine food chain

Reproduction

asexual:binary fission

sexual:conjugation

nutrition

holozoic nutrition