Eukaryotic Diversity Flashcards

0
Q

The prokaryotes that gave rise to mitochondria and chloroplasts are from wht domain?

A

Bacteria

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1
Q

What type of phylogenetic grouping is the domain eukarya?

A

Mono phyletic

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2
Q

When idid the mitochondria and aerobic capacity evolve in euk?

A

About 2.5 bya

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3
Q

What are some pieces of evidence that support the theory that chloroplasts evolved from Cyanobacteria

A

They have their own DNA and it is circular. They have two membranes. They replicated separately from the cell.

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4
Q

How did photosynthetic capacity spread through the domain eukarya?

A

Secondary endosymbiosis

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5
Q

When did simple multicellularity evolve?

A

Simple-1.2-1.8 bya complex-555-575 may

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6
Q

Is simple multicellularity a homologous or analogous trait in euk? How about complex multicellularity?

A

Both analogous

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7
Q

What are some reasons experts give for the diversification of multicellular organisms during the Permian?

A

More oxygen in the atmosphere- almost 60 percent of what it is today which promotes diversity
The pH of the oceans promoted shell formation causing an evolutionary arms race

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