Phylogenetic event - Study guides, Class notes & Summaries

Question 1. What two things do nodes represent on phylogenies? Nodes represent the most recent common ancestor of two or more descendant lineages and represent a speciation event. Question 2. Compare the branching patterns of phylogenies 1-3 above. Which statement below correctly describes the patterns among trees 1-3? Tree 1 = Tree 2 Question 3. Which node represents the MRCA for taxa F and G? 3 Question 4. Which taxon or taxa is/are the sister group to E + F? D, G, H Question 5. If y...

What were the 4 stages of early American psychology? - Answer- Stage 1: Moral and Mental Philosophy (1640-1776) Stage 2: intellectual philosophy (1776-1886) Stage 3: The US Renaissance (1886-1896) Stage 4: US Functionalism (1896 & beyond) What were the beliefs during the first stage of early American psychology (1640-1776)? - Answer- "Psychology existed for the sake of logic, and logic for the sake of God" What event caused the beginning of enlightenment during the first stage of earl...

What is true of macroevolution? A) It is the same as microevolution, but includes the origin of new species. B) It is evolution above the species level. C) It is defined as the evolution of microscopic organisms into organisms that can be seen with the naked eye. D) It is defined as a change in allele or gene frequency over the course of many generations. E) It is the conceptual link between irritability and adaptation. - ANSWER B) It is evolution above the species level. What is tr...

Coevolution Event The process by which two or more species evolve in tandem by exerting selection pressures on each other Speciation Event A lineage-splitting event that produces two or more separate species. Phylogenetic Event The evolutionary development and history of a species or higher taxonomic grouping of organisms. Also called phylogenesis. The evolutionary development of an organ or other part of an organism Homology Event Shared trait among species Mutation A Mutation occur...

1. List the characteristics that all living organisms have; describe how biologists distinguish living organisms from non-living entities. Characteristics of all living organisms: ● Has potential to reproduce ● Responds to environmental stimuli ● Composed of 1 or more cells ● Contain genetic material (DNA) and can replicate their genetic material ● Made up of organic molecules (contain C) and water based ● Populations of this entity evolve ● Obtain energy and materials fro...

"Salting out" - certain ions become too concentrated in soils and draw water out of roots by osmosis, causing plant death 2 types of lateral meristems: - Cork cambium vascular cambium 2 ways to increase allele diversity/allele frequency distribution: - 1.) gene flow 2.) mutation 3 Chordate Subphyla - Urochordata, Cephalochordata, and Vertebrata 3 criteria for designating species: Boys Make Pasta - biological, morphological, phylogenetic 4 key characteristics of chordates - 1.) notochor...

Biology 1108 Final Exam Quiz Questions with 100% pass The term "n" refers to the size of a population, that is, the number of individuals in that population. In general, in a sample of n individuals, the frequency of an allele is: - Correct Answer ️️ -the number of occurrences of the allele divided by twice the number of individuals in the sample (2n) If a population is not in Hardy-Weinberg equilibrium, we can conclude that: - Correct Answer ️️ -evolution has occurred because on...

Principles of Biology Midterm Test Exam Questions Marking Scheme Inductive reasoning - Answer -uses particular results to produce general scientific principles. (From a number of observations a general conclusion is drawn) Deductive reasoning - Answer -form of logical thinking that uses a general inclusive statement to forecast specific results (From a general premise, specific results are predicted) scientific method - Answer -process that consists of making observations, defining a pr...

sci 225 exam 2 The three orbital parameters of eccentricity, obliquity, and precession are collectively known as cycles named after this scientist. - correct answer Milutin Milenkovic Name the orbital parameter movement is similar to the movement of a spinning top. - correct answer Precession (Wobble) This orbital parameter changes on a time scale of 41,000 years - correct answer Obliquity (tilt) Interglacial periods seem to align with what amount of tilt of Earth's axis: higher tilt ...

Homologous genes Answer Genes that share a recent common ancestor based upon phylogenetic analysis Orthologous genes Answer homologous genes that are found in different species that are due to speciation events Paralogous Genes Answer homologous genes that are due to a duplication event in a particular species Brachydactyly Answer Shortness of the digits caused by autosomal dominant allele (BB, Bb) - Short Digits Godfrey Hardy Answer Discovers why Brachydactyly is not more prevalent...