Bio lab exam 2 - study guide Flashcards
Protist
Euglena
Volvox
Amoeba
Paramecium
define autotrophic
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
define heterotrophic
an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon, mainly plant or animal matter.
Euglena feeding
Protist
autotrophic & heterotrophic
Euglena reproduction
Protist
asexually, binary fission, some through conjugation (but this is sexual and unfavorable)
Volvox feeding
Protist
autotrophic
volvox reproduction
Protist
asexually - produces daughter colonies
sexually - forms zygotes that develop into new colonies
amoeba - feeding
Protist
heterotrophic
amoeba - reproduction
Protist
asexually, binary fission (some can through conjugation, sexually)
paramecium - feeding
Protist
heterotrophic
paramecium - reproduction
Protist
asexually, binary fission (sexually through conjugation - two individuals swap genetic material)
locomotion of euglena
Protist
flagella
locomotion of volvox
Protist
flagella
locomotion of amoeba
Protist
pseudopodia
locomotion of paramecium
Protist
cilia
what is a daughter colony
Protist
a newly formed colony in volvox resulting from the reproductive cells known as gonidia
what is a tsetse fly
Protist
scientifically known as Glossina, it’s a large, biting fly found in Africa. Most notably known for carrying and transmitting African Sleeping Sickness
What’s African Sleeping Disease
Protist
Also known as African Trypanosomiasis, a parasitic disease transmitted to humans through the bite of infected tsetse flys. 2 main forms (1 showing symptoms faster (weeks) is deadlier - rhodesiense, 2 shows symptoms slower (months) is easier to treat - gambiense)
what is osmoregulation and what organelle is responsible
Protist
the process by which organisms regulate the concentration of solutes and water in their bodies or cells to maintain internal osmotic balance, CONTRACTILE VACUOLE (CV)
what is a stigma
Protist
also known as an eyespot, they help in photoreception (detects light) and cause phototaxis (towards or away from a stimulus of light)
difference between prokaryotic and eukaryotic
Protist
eukaroyotic contain nucleus and are generally more complex (tissue forming) than prokaryotic cells that don’t contain a nucleus
what is a symbiotic relationship
Protist
a close and long term interaction between two different species, where at least one of them benefits from the relationship
- mutualism
- commensalism
- paratism
what are the 3 kinds of symbiotic relationships and what do they mean
Protist
MUTUALISM - both species benefit
COMMENSALISM - one species benefits, while the other is neither harmed nor helped
PARATISM - one species benefits at the expense of the other