Week 1 Lab 1, 2, 3 Flashcards
eukaryotic
cell that has a membrane/nucleus
autotrophic
derive nutrients from carbon dioxide
self-feeders
heterotrophic
derive nutrition from organic compound in the environment
- other-feeders
the three bacterial form
coccus (spherical - dots)
baccilus (rod - small hotdogs)
spirillum (spiral - wormy)
bacteria prokaryotic or eukaryotic? heterotrophic or autotrophic?
prokaryotic
- single cell; has no nucleus; separate
heterotrophic
- single cell
cyanobacteria
(railroad tracks)
- green and shape/structure
- photosynthetic
- autotrophic
two important ecological roles of cyanobacteria?
basis of food chain
produce oxygen
ex of bacterial diseased
bubonic plague
cholera
strep throat
tetanus
what drugs to combat bacterial infections?
antibiotics
what are sources of most antibiotics?
produced by other organism
-usually fungi or other bacteria
what parts of the human body typically host bacterial populations?
gut and skin
what are some of the benefits of hosting certain bacterial populations on and in our bodies?
- help digest food
- bacteria on skin help protect us from harmful parasites
what role do bacteria serve in the cycling of nutrients in an ecosystem?
help breakdown waste products (dead animals, dead plants)
decompose
food products that rely upon bacteria
cheese, yogurt, salami, beer, soy sauce
Two major category of protists
animal like
plant like
Kingdom Protista
eukaryotic
- cells with nuclei
algae
unicellular (peanut)
multicellular (seawead)
colonial (egg with air bubbles)
- autotrophic
- photosynthetic
what are two important ecological roles served by algae?
decompose
produce oxygen
common food items utilizing processed algae
nori, carrageenan, alian, agar, ice cream
Protozoans
Ameoba (ameoba circle covered by wiggly thing) paramecium (centipede) trypanosoma (stomach) - heterotrophic - not green
Plasmodium
- some protozoans live within the tissues and cells of other organism
- lives part of life in the blood of humans
- red blood cells infected
What disease is caused by plasmodium?
malaria
how is malaria spread?
mosquito
Kingdom Fungi
Yeast
- unicellular
- beer, bread, wine
- produce alcohol and carbon dioxide
what is the fungi doing to the examples of “moldy” food?
decomposing
hypae
- filaments that makes up the bodies of multicellular fungi
root of mushroom
Fruiting body of fungi
- mushroom
- reproductive structures of fungi are often used as a food source
mushroom cap
what are some important fungal diseases of human?
athletes foot
ringworm
vaginitis
Fungi heterotrophic or autotrophic?
heterotrophic - not green
what “organism” is the result of a “symbiotic” relationship of fungi together with algae or cyanobacteria?
lichen
what is the role of each member of the lichen?
fungal - ability to attach to surface
algae - produce food; photosynthesis
lichen - provide house for photosynthesis
photosynthesis
process by which plants uses light energy to make sugar and other organic food molecules from carbon dioxide and water
xylem
tube inside stem; carries water up from the roots
phloem
tube inside stem; carries food, mainly sugar, from the leaves down to rest of plants
cephalization
concentration of sense organs in one part of the body
radial symmetry
symmetrical around center of axis
bilateral symmetry
symmetrical - divided equally - mirror image right and left side