Clade - Study guides, Class notes & Summaries

Based on the figure, which statement is false? a. Darwin recognized that lineages may go extinct. b. Darwin recognized hybridization as an important means of genetic change. c. Darwin recognized that not all descendents of an organism's ancestors still exist. d. Darwin thought that evolution might take thousands of generations. e. Darwin recognized that rates of evolutionary change may vary among lineages. - Answer b. Darwin recognized hybridization as an important means of genetic c...

deuterostomes echinoderms and chordates are ______ deuterostomia echinoderms and chordates constitute the clade _____ echinoderms (phylum Echinodermata) include sea stars and sea urchins, sea cucumbers, and sand dollars, with about 7000 species, all of them marine chordates (phylum Chordata) include the vertebrates deuterostomes share developmental characteristics -radial cleavage -formation of the anus from the blastopore however, some other animals also share these developmental chara...

BIOLOGY 104 UVIC Final Exam Study Set |Q&A Correctly Solved| Graded A+ Node *Ans* A branch point that represents the most recent common anscestor phylogenetic tree *Ans* A family tree that shows the evolutionary relationships thought to exist among groups of organisms Phylogeny *Ans* Evolutionary history of a species interspecific hybridization *Ans* members of two closely-related species might be able to produce fertile offspring that qualify as a new species (more common in plants) ...

Distinguish Characteristics - Phylum Porifera Characteristics - - sponges - considered the basal animal - sessile animals - lack true tissues -filter feeders -hermaphrodites phylum Cnidaria characteristics - - have true tissues -gastrovascular cavity -ring of tentacles with cnidocytes to capture prey - polys and medusa phylum Platyhelminthes - flatworms -dorsoventrally flattened bodies - Flat shape increases surface area for nutrient, gas, and waste exchange - Found in mar...

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...

BIO 182 Practical Test Questions and Correct Answers examples of Euglenozoans (clade) - Answer-trypanosoma levisi and euglena Examples of Stramenopiles (clade) - Answer-Diatoms, brown algae, water molds Examples of Alveolates (clade) - Answer-paramecia, dinoflagellates, plasmodium Examples of Rhizarians (clade) - Answer-foraminiferans and radiolarians Example of Amoebozoans (clade) - Answer-Amoeba, Physarum, dictyostelium Example of rhodophyta (clade) - Answer-red algae Example of Chl...

BIO 182 Practical Test Questions and Correct Answers examples of Euglenozoans (clade) - Answer-trypanosoma levisi and euglena Examples of Stramenopiles (clade) - Answer-Diatoms, brown algae, water molds Examples of Alveolates (clade) - Answer-paramecia, dinoflagellates, plasmodium Examples of Rhizarians (clade) - Answer-foraminiferans and radiolarians Example of Amoebozoans (clade) - Answer-Amoeba, Physarum, dictyostelium Example of rhodophyta (clade) - Answer-red algae Examp...

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 _____. ...

Which of the following is true about biodiversity on earth? A) It has remained constant over time B) By including fossils, we have a good idea of all biodiversity that has lived on earth C) The presence of some species can alter the presence of other species D) Radiations are relatively rare E) Species numbers change only due to extinction correct answers C To build a phylogeny, you can use A) morphology B) DNA sequence C) developmental date D) fossil features E) all of these correc...

systematics an analytical approach to understanding the diversity and evolutionary relationships of an organism, both present day and extinct biodiversity variety of organisms and the ecosystems they form taxonomy ordered division of organisms into categories based on a set of characteristics used to assess similarities and differences classification grouping organisms by their similarites or relationships phylogeny 1. evolutionary history of a group of organisms from a common ancestor; 2....