Categorieën: Alle - nutrition - disease - ecosystem - roles

door Fatin syuhada 11 jaren geleden

326

Microbial groups

Microbial groups, including eucaryotes, bacteria, and viruses, play crucial roles in ecosystems. Eucaryotes such as fungi, slime molds, and protozoa contribute by decomposing organic matter, recycling nutrients, and interacting within food chains.

Microbial groups

Floating topic

Microbial groups

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

saprozoic nutrition