Dr Blight Flashcards
What are the 3 main groups of protists?
Algae, protozoa and slime moulds.
What 2 things originated from protists?
Eukaryotes and multicellularity.
Why were Cyanobacteria previously referred to as algae?
They have autotrophic abilities.
Give 2 primary differences between prokaryotes and eukaryotes.
The presence of organelles and the presence of an endomembrane system.
Chloroplasts and mitochondria arose through (digestion/ingestion).
Ingestion
What is often used as a guide in protozoan taxonomy?
Locomotion
What are the 4 main groups of protozoa?
Flagellates, amoebae, sporozoans and ciliates.
Give 2 differences between plasmodial and cellular slime moulds.
Plasmodial are diplomatic and cellular are haplontic and don’t form a true plasmodium.
What is phycology?
The study of algae, including morphology, taxonomy and ecology.
Algae are responsible for 50-90% of global ____ production and the basis of the ____ food chain.
Oxygen and oceanic
Algae live as ____ inside other plants or animals.
Symbionts
What are algae?
Non-vascular photosynthetic organisms with unprotected reproductive structures which evolved from lots of different ancestors.
Name the theory that suggests eukaryotes came about through an ancestral prokaryote ingesting heterotrophic and photosynthetic prokaryotes?
Endosymbiosis theory
What is plasmodium?
A multinucleate, amoeboid mass if protoplasm that P slime mounds become during the heterotrophic feeding stage.
Algae can live on land as _______ ____ on desert soils or as _______ inside rocks.
Cryptobiotic crusts and endocryptoliths
