Polyphyletic - Study guides, Class notes & Summaries

/Giardia/ ((italicized)) - inflammation in digestive track; contaminated water HINT: be on your GUARD (giardia) when drinking water in a different country 3 kinds of Protista - fungus-like, animal-like, plant-like **because Protista are POLYphyletic, fungus-like is closer to fungi than animal-lke About the Eras - Precambrian- single celled bacteria (before Paleozoic) Paleozoic- paleo means old; age of invertebrates then vertebrates evolved Mesozoic- meso means middle; dinosaurs (reptiles) ...

Biology 1108 final exam (cumulative) Solved 100% Correct!!

Which word is incorrect in the following statement? Placental mammals (Placentalia) form a monophyletic group. Monotremata is an ancestral lineage that diverged from the basal node in mammals during the Jurassic. Marsupial (Marsupialia) and placental mammals are sister clades. - ️️ancestral Which phylogenetic characters are the most useful in phylogenetic analyses? - ️️synapomorphy Which of the following statements is true? - ️️Most mutations are either neutral or deleterious ...

Bio 172 Exam 1 Questions and Answers Already Passed **Describe the events in a sexual cycle and explain its significance.** **Events:** - Formation of haploid gametes (1n). - Fertilization (syngamy) of gametes. - Formation of a diploid zygote (2n). - Recombination occurs during gamete formation. **Significance:** The sexual cycle leads to genetic variation through recombination, ensuring species adaptability and survival. **Identify the first supergroup.** **First Supergro...

What is the science of describing, categorizing and naming organisms? A. systematics B. taxonomy C. cladistics D. phenetics correct answers B. Taxonomy What is the primary reason protists and bacteria are grouped into different domains? A. protists are made of cells but bacteria are not B. bacteria are unicellular but protists are multicellular C. bacteria lack a nucleus but protists have a nucleus D. protists are photosynthetic but bacteria are not E. protists eat bacteria correct...

_________ is the science of classifying living things. - taxonomy _________ is the science of classifying living things. - Taxonomy A ___ group does not contain the most recent common ancestor - polyphyletic A _________ group consists of the most recent common ancestor and some of its descendants. - paraphyletic A ______________ group consists of the most recent common ancestor and all of its descendants. - monophyletic A ______________ group does not contain the most recent common ancest...

The scientific discipline of naming and classifying organisms - Answer-taxonomy Two part format of a scientific name (Genus species) - Answer-binomial grouping of species into increasingly inclusive categories - Answer-hierarchical classification The named unit at any level of the hierarchy - Answer-taxon The evolutionary history of a species or group of species - Answer-phylogeny A discipline focused on classifying organisms and determining their evolutionary relationships - Answersystemat...

BSC-116-001 Chapter 26 Exam Questions Correctly Answered. Animals that possess homologous structures probably _____. A. have increased genetic diversity B. evolved from the same ancestor C. are not related D. are the result of convergent evolution E. are the result of similar environmental pressures in different evolutionary lineages - CORRECT ANSWER B. evolved from the same ancestor Homologous structures are similar because of common ancestry. By definition a clade is _____. ...

Bio 172 Exam 1 Questions and Answers Rated A+ What are the events that take place in a sexual cycle and why is this cycle significant? - Gamete formation (1n Haploid) -Fertilization (Syngamy) of gametes. -Zygote formation. Zygote is first 2n (Diploid) cell. Then recombination occurs (Basically, Haploid cells (Gamete and spirm) form to create Diploid cell (Zygote)) What is the first supergroup? Excavata What is asexual reproduction? One parent, and offsprings are identical cl...

which are not cephalized mussels, clams, Hemimetabolous (of an insect with aquatic young) undergoing incomplete metamorphosis in which the young does not resemble the adult holometabolus dramatic change Cnidaria cnidocytes, radial symetry, incomplete gut, sting, anemonies, jellies, monophyletic ALL descendants came from one common ancestor paraphyletic Pertaining to a group of taxa that consists of a common ancestor and some, but not all, of its descend...