Clade - Study guides, Class notes & Summaries

B correct answers The Strongest Force that drives water Through the xylem is A) root pressure B) Evapotranspiration C) Adhesion D) Cohesion E) Phloem Loading C correct answers 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) Species numbers change due to extinctions D) The species that are present will not alter the presence of other spe...

DrW Unit 3 and 4 LEAP Review (Evolution and Ecology) Latest Update Graded A+ Phylogeny The study of evolutionary relationships homologous structures anatomically similar structures in inherited from a common ancestor. structurally similar, functionally different condensation The change of a gas to liquid; water vapor (gas) changes into water; driven by loss of heat energy from the vapor into a cool air mass aquifer underground surface below which the ground that is tapped by we...

Biol 227 Lab Exam Latest Update with Verified Solutions Acoelomate (Platyhelminthes) planaria. has eyespots , auricles, incomplete digestion, pharynx, dorsoventrally flattened acoelomate filled with parenchyma derived from mesoderm albumen egg white, just under shell, supples water, nutrients, o2 allantois collects waste allantois in mammals tube that fuses with chorion to form chorioallantoic placenta Allomyces Chytridiomycota Alveolata A protistan clade that includes d...

Bio 120 - Exam 1 Questions with Correct Answers Graded A+ Synapomorphy A shared derived character or trait state that distinguishes a clade from the other organisms. Analagous Having characteristics that are similar because of convergent evolution, not homology. Homologous Similarity in characteristics resulting from a shared ancestry. Porifera Sponges No true tissues Mostly marine, aquatic Asymmetric 2 germ layers (endoderm and ectoderm) No coelom Sessile Sessile Attached direc...

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

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...

Biology 172 Exam #3 Bastow EWU Questions and Answers Rated A+ Some anaerobic bacteria react organic molecules (such as glucose) with sulfate in order to obtain the energy that they need for their growth. Based on what you know about cellular respiration, what role do you think sulfate plays in this reaction? A) it is used to transport electrons between stages of the reaction B) it is an electron acceptor C) it is an electron donor D) it has high potential energy that is released during...

_________ 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...

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...

Hox genes - control the expression of genes that influence animal morphology (sponges are simple animals that do not have Hox genes) acoelmates - triploblastic animals without a coelom, their bodies are solid and have no cavity. Ancestors of animals... - diverged from ancient fungi, between 675 million and 800 million years ago, believed to be a suspension feeder similar to Choanoflagellates Animals are.. - -multicellular (without cell walls) -heterotropic -develop from embryonic layers ...