CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
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Chapter 28, Problem 28.2CR
What evidence indicates that the excavates form a clade?
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Chapter 28 Solutions
CUSTOM BIOLOGY
Ch. 28.1 - Cite at least four examples of structural and...Ch. 28.1 - Summarize the role of endosymbiosis in eukaryotic...Ch. 28.1 - Prob. 3CCCh. 28.2 - Why do some biologists describe the mitochondria...Ch. 28.2 - WHAT IF? DNA sequence data for a diplomonad, a...Ch. 28.3 - Explain why forams have such a well-preserved...Ch. 28.3 - WHAT IF? Would you expect the plastid DNA of...Ch. 28.3 - Prob. 3CCCh. 28.3 - Prob. 4CCCh. 28.4 - Contrast red algae and brown algae.
Ch. 28.4 - Why is it accurate to say that Ulva is truly...Ch. 28.4 - Prob. 3CCCh. 28.5 - Contrast the pseudopodia of amoebozoans and...Ch. 28.5 - Prob. 2CCCh. 28.5 - Prob. 3CCCh. 28.6 - Justify the claim that photosynthetic protists are...Ch. 28.6 - Prob. 2CCCh. 28.6 - WHAT IF? High water temperatures and pollution...Ch. 28.6 - MAKE CONNECTIONS The bacterium Wolbachia is a...Ch. 28 - Describe similarities and differences between...Ch. 28 - What evidence indicates that the excavates form a...Ch. 28 - Prob. 28.3CRCh. 28 - On what basis do systematists place plants in the...Ch. 28 - Describe a key feature for each of the main...Ch. 28 - Prob. 28.6CRCh. 28 - Plastids that are Surrounded by more than two...Ch. 28 - Biologists think that endosymbiosis gave rise to...Ch. 28 - Prob. 3TYUCh. 28 - According to the phylogeny presented in this...Ch. 28 - In a life cycle with alternation of generations,...Ch. 28 - Based on the phylogenetic tree in Figure 28.2,...Ch. 28 - Prob. 7TYUCh. 28 - SCIENTIFIC INQUIRY Applying the If then logic of...Ch. 28 - WRITE ABOUT A THEME: INTERACTIONS Organisms...Ch. 28 - SYNTHESIZE YOUR KNOWLEDGE This micrograph show's a...
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- How are forams useful for researchers to study changes in ocean temperature over time? What are mixotrophs? What is endosymbiosis and why is it consider to be the source of eukaryotic diversity? Why are we confident this only happens once? What is primary and secondary endosymbiosis? Was there another endosymbiotic event that led to a third lineage? What group of organisms possesses a structure that might suggest this possibility and what is the structure? Why is the structure question different from the ancestor of other plastids? What are diatom blooms and why are they of particular interest to climate change scientists?arrow_forwardAccording to the morphological species concept, would you classify benthics and limnetics as A) a single species B) separate species C) the species status is not clear according to this species concept. Explain in 2-3 sentences. (I think the answer is separate species, not sure how to explain this...)arrow_forwardName the adaptation, that some chordates have, which allows them to reproduce without environmental water. Which chordate groups did we learn about that have this adaptation? In the chordate groups that don't have the adaptation, why do they need water to reproduce? Name the adaptation we learned about, that some land plants have, which allows them to reproduce without environmental water Which land plant groups did we learn about that have this adaptation? In the land plant groups that don't have the adaptation, why do they need water to reproduce?arrow_forward
- 24.) Based on the tree on the right, which statement is not correct? a) The salamander lineage is a basal taxon b) Salamanders are a sister group to the group containing lizards, goats, and humans c) Salamanders are as closely related to goats as to humans d) Lizards are more closely related to salamanders than to humans Salamander Lizard Goat Humanarrow_forwardCarotenoids in algae have evolved through primary and secondary endosymbiosis. provide a well-constructed phylogenetic tree to show where carotene, neoxanthin, zeaxanthin, violaxanthin, fucoxanthin, and lutein arose in the macrophytic, multicellular groups of algae. add descriptive and informative title to itarrow_forwardHow has the abundance and diversity of Bivalves clade changed over time? –How did the synapomorphies of the clade allow the group to diversify and expand? Has the clade been affected by mass extinction events, either positively or negatively? If so, what caused the extinction event? Is the clade now at its most diverse and abundant? Or if that was in the past, when? If still extant, are species in the clade thriving or threatened with extinction?arrow_forward
- 1. Sycon or Scypha - give its scientific and common name, classify up to order level and list the characters justifying the classification - describe its habit and habitat, distinguish a multicellular animal from an unicellular animalcule 2. Hyalonema - give its scientific and common name, classify up to order level and list the characters justifying the classification - describe its habit and habitat, distinguish a multicellular animal from an unicellular animalculearrow_forwardPimpla rufipesSpecies A: possess a calcium carbonate shell and is found in marine environmentsSpecies B: Segmented worm, marine and possess bristles known as ‘setae’Species C: Bioluminescent, possess special cells known as colloblasts which are attached to tentaclesSpecies D: Parasitic roundworm found in the intestines of mammals; lacks segments, molts a cuticle. (photo of the phylogenetic tree here) B.1 Does P. rufipes engage in incomplete or catastrophic metamorphosis? _________________ B.2. Explain why you chose your answer for B.1. __________________________________________________________________________________ B.3. List ONE (1) advantage of the developmental strategy you chose above?arrow_forwardWhich of the following statements regarding the diversification of animals is supported by the current available evidence? a) most animals belong to the clade Bilateria b) sponges are a paraphyletic group of organisms c) ctenophores are basal metazoans d) animals descended from multiple ancestorsarrow_forward
- a) Explain the common characteristic features of plants kingdom. b) Explain the common characteristic features of animal kingdom.arrow_forwardAccording to the phylogeny presented in this chapter, whichprotists are in the same eukaryotic supergroup as plants?(A) green algae(B) dinoflagellates(C) red algae(D) both A and Carrow_forwardWhat are the unifying characteristics of Sardinella tawilis under the following taxonomic ranks: Kingdom - Animalia — Phylum - Chordata —arrow_forward
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