all eukaryotes that aren't fungi, animals, or plants

All eukaryotes today have?

Either mitochondria or genes normally found in mitochondria. A nucleus and endomembrane system. A cytoskeleton

Molecular data is useful for _ _ _ among eukaryote, including protists

estimating evolutionary relationships

1) host cell surrounds and engulfs bacteria 2) bacterium lives within host cell 3) endosymbiosis: host cell supplies bacteria with protection and carbon compounds. Bacterium supplies host cells with ATP

Are similar in size to a-proteobacteria. Replicate by fission. Have their own ribosomes and manufacture their own proteins. Have double membranes. Gave their own genomes. Gene sequences closely match sequences closely match sequences from a-proteobacteria

Secondary endosymbiosis

1) Photosynthetic protists in engulfed 2) Nucleus from photosynthetic protists is lost 3) Organelle has 4 membranes

Primary endosymbiosis

All species in the plantae have chloroplast with 2 membranes. Most likely, the primary endosymbiotic event occurred in their common ancestor. Chloroplasts also occur in 4 of the other major lineages of protists.

Origin of the nuclear envelope

1) Infoldings of plasma membrane surround the chromosomes. 2) Eukaryotic cell arises, with infoldings forming nuclear envelope an ER

asexual reproduction. makes more of the same

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Protists

Exam 2 Dr. Weber Ecology and Evolution


Protists	all eukaryotes that aren't fungi, animals, or plants
All eukaryotes today have?	Either mitochondria or genes normally found in mitochondria. A nucleus and endomembrane system. A cytoskeleton
Morphological features can be useful for _ _ of protists. Most of this work is done via microscopy	distinguishing groups
Molecular data is useful for _ _ _ among eukaryote, including protists	estimating evolutionary relationships
There are how many monophyletic groups?	7
Much of eukaryotic diversity is found where?	Protists
Endosymbiosis theory	1) host cell surrounds and engulfs bacteria 2) bacterium lives within host cell 3) endosymbiosis: host cell supplies bacteria with protection and carbon compounds. Bacterium supplies host cells with ATP
Mitochondria	Are similar in size to a-proteobacteria. Replicate by fission. Have their own ribosomes and manufacture their own proteins. Have double membranes. Gave their own genomes. Gene sequences closely match sequences closely match sequences from a-proteobacteria
Secondary endosymbiosis	1) Photosynthetic protists in engulfed 2) Nucleus from photosynthetic protists is lost 3) Organelle has 4 membranes
Primary endosymbiosis	All species in the plantae have chloroplast with 2 membranes. Most likely, the primary endosymbiotic event occurred in their common ancestor. Chloroplasts also occur in 4 of the other major lineages of protists.
Origin of the nuclear envelope	1) Infoldings of plasma membrane surround the chromosomes. 2) Eukaryotic cell arises, with infoldings forming nuclear envelope an ER
Protists have innovative structures for what?	support and protection
What has evolved numerous times and in numerous lineages of eukaryotes	multicellularity
Protists can reproduce sexually, asexually, or both true or false?	true
Eukaryotes are not the only plants to reproduce sexually true or false?	false
Miosis	sexual reproduction
Mitosis	asexual reproduction. makes more of the same
_ introduced a new event in life cycles and distinct haploid vs diploid phases	Meiosis

Created by: Buggy05

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