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BIO 150 - Exam 1 Review
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What is the synapomorphy that defines Archaea and Eukarya from Bacteria?
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Histones
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jordyn_nimmer
Terms in this set (13)
What is the synapomorphy that defines Archaea and Eukarya from Bacteria?
Histones
What is the synapomorphy that defines seedless plants?
Seedless plants are paraphyletic
What is the synapomorphy that defines green plants?
Chloroplasts and Chlorophyll a and B
If a plant needed more CO2, what could it do to increase the level of CO2 available?
Open stomata guard cells to allow more gas exchange
Why do aquatic plants not have a cuticle?
They do not need to retain H2O
What must an organism have to have true alternation of generations?
Multicellular haploid gametophyte and multicellular diploid sporophyte
Why did sexual reproduction occur if it requires much more energy from an organism?
Sexual diversity to best suit changing environments
If a plant has two gametes meet and then goes through meiosis, can it have alternation of generations?
No; skips diploid stage for sporophyte
How do bacteria replicate?
Binary fission
The first endosymbiosis theory supports the origin of what?
Mitochondria