Polyphyletic - Study guides, Class notes & Summaries

Most protists are _________, but there are some that are ____________________ - unicellular; multicellular How did the nucleus form? - invagination invagination - plasma membrane folds in on itself and inner compartments (organelles) are formed the job of the nucleus - - protect DNA - control what goes in and out of the nucleus endoplasmic reticulum - an organelle coming off of the nucleus where proteins are made golgi apparatus - newly synthesized proteins are given some final processin...

What are stromatolites? - rocks formed by the accumulation of sedimentary layers on bacterial mats What are stromatolites? - rocks formed by the accumulation of sedimentary layers on bacterial mats When was the oxygen revolution? - 2.7-2.3 bya Oldest Eukaryotes - 1.8 billion years ago Oldest fossil of a multicellular eukaryote - 1.6 billion years ago What is a protist? - polyphyletic group of unicellular eukaryotes when was the earliest direct evidence of life, and where was it...

What type of trait is not useful to construct a phylogenetic tree? correct answer: Analogous traits Which of the following traits are not unique to humans among the great apes? correct answer: Lack of a tail How complete is the fossil record of life on earth? correct answer: It is an incomplete record of Earth's history What is a polyphyletic group of organisms? correct answer: A group that does not include a common ancestor. What is the biological species concept based on? corr...

What is biodiversity? all of the diversity/variety of life on Earth What are systematics? study of evolutionary relationships between organism(s). What is taxonomy? the science of naming organisms. What is a taxon? a named group of organisms What is classification? assigning organisms to meaningful, hierarchical groups What is phylogeny? evolutionary history of an organism(s); where things originate; ancestry What are the 2 goals of binomial nomenclature? 1. Avoid ambiguity when communicat...

What kind of group are protists? Polyphyletic Why did the classification of protists change? Advancements in eukaryotic systematics Are protists unicellular or multicellular? Most are unicellular, but not all What makes single-celled protists so complex All biological functions are carried out by organelles in each individual cell Are protists sexually or asexually reproductive? Some are asexual, some sexually reproduce Photoautotrophs Protists that contain chloroplasts Heterotrophs An org...

Biology 116 Exam 1 Study Guide Taxonomy - Ans:-science of describing, naming, and classifying organisms Phylogeny - Ans:-evolutionary history of a species or group of related species What is the taxonomy scale? - Ans:-Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species What are the three domains? - Ans:-1) Bacteria 2) Eukaryotes 3) Archaea What is evolution? - Ans:-1) descent with modification 2) change in alleles over time allele - Ans:-alternate form of a gene natural selec...

What are the cell walls of fungi made of? - Chitin How do fungi reproduce? - Can be asexual or sexual, usually with spores. When did animals and fungi share a common ancestor? - 460 MYA What are the 7 monophyletic phyla of fungi? - Microsporidia, Blastocladiomycota, Neocallimastigomycota, Glomeromycota, Chytridomycota, Basidiomycota, Ascomycota What is the one polyphyletic Phylum of fungi? - Zygomycota

Biology 1108 final exam Questions and Answers 100% Pass Monophyletic Group - Correct Answer ️️ -includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Correct Answer ️️ -some (not all) of descendants of a common ancestor Polyphyletic Group - Correct Answer ️️ -organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Correct Answer ️️ -si...

Biology 1108 final exam Questions and Answers 100% Pass Monophyletic Group - Correct Answer ️️ -includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Correct Answer ️️ -some (not all) of descendants of a common ancestor Polyphyletic Group - Correct Answer ️️ -organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Correct Answer ️️ -si...

Monophyletic Group - Answer-includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Answer-some (not all) of descendants of a common ancestor Polyphyletic Group - Answer-organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Answer-similarities based on shared ancestry Analogies - Answer-similarities based on independent adaptations Synapomorphies - Answ...