Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 28, Problem 2A
The phylogenetic tree of animals shows that
a. rotifers are closely related to
b. both molluscs and annelids are protostomes.
c. some animals have radial symmetry.
d. sponges were the first to evolve from an ancestral protist.
e. All of these are correct.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which of the following statements is NOT true regarding protostome diversity?
A.
Of the 30 animal phyla, more than 2/3 (22 phyla) are protostomes.
B.
There are more mollusk species than Priapula.
C.
There are more lophotrochozoans than ecdysozoans.
D.
A major feature distinguishing different developmental characteristics.
There is current controversy about which group is sister to the rest of the animals. Which two of the following groups are the potential sister groups to all the other animals?
a.
Ctenophores
b.
Cnidarians
c.
Porifera
d.
Both a. and b.
e.
Both a. and c.
What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes?
A. that unikonts are derived from the SAR clade
B. that Archaeplastids were the first eukaryotes
C. that fungi are more closely related to plants than animals
D. that eukaryotes are all descended from a common ancestor
Chapter 28 Solutions
Biology
Ch. 28.1 - Prob. 1CYPCh. 28.1 - Explain the colonial flagellate hypothesis about...Ch. 28.1 - Prob. 3CYPCh. 28.1 - Prob. 4CYPCh. 28.2 - 1. List three ways in which cnidarians are more...Ch. 28.2 - Prob. 2CYPCh. 28.2 - Prob. 3CYPCh. 28.2 - Prob. 4CYPCh. 28.3 - Prob. 1CYPCh. 28.3 - Prob. 2CYP
Ch. 28.3 - Prob. 3CYPCh. 28.3 - Prob. 4CYPCh. 28.4 - Prob. 1CYPCh. 28.4 - List two ways that crustaceans are adapted to an...Ch. 28.4 - Prob. 3CYPCh. 28.5 - 1. Explain why echinoderms and chordates are now...Ch. 28.5 - Prob. 2CYPCh. 28.5 - Prob. 3CYPCh. 28.5 - Prob. 4CYPCh. 28 - Prob. 1BS.1QCCh. 28 - Prob. 1BS.2QCCh. 28 - Prob. 1BS.3QCCh. 28 - Prob. 1E.1QCCh. 28 - Prob. 1E.2QCCh. 28 - Prob. 1E.3QCCh. 28 - Prob. 1ACh. 28 - The phylogenetic tree of animals shows that a....Ch. 28 - Prob. 3ACh. 28 - Prob. 4ACh. 28 - Prob. 5ACh. 28 - Prob. 6ACh. 28 - Prob. 7ACh. 28 - Prob. 8ACh. 28 - Prob. 9ACh. 28 - Prob. 10ACh. 28 - Prob. 11ACh. 28 - Prob. 12ACh. 28 - Prob. 13ACh. 28 - Prob. 14ACh. 28 - Prob. 15ACh. 28 - Prob. 1TSCh. 28 - Cnidarians such as Hydra have only one opening....Ch. 28 - Prob. 3TSCh. 28 - Prob. 4TS
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following does not explain why slime molds and multicellular algae are included in the Kingdom Protoctista? They A. lack important characteristics of the plants and fungi. B. use an amoeboid type of movement. C. classification system is trying to reflect phylogenetic relationships. D. appear to be more closely related to unicellular eukaryotes.arrow_forwardWhich of the following statements is BEST supported by the phylogenetic tree? A The development of a bony skeleton was a significant evolutionary step for ocean-dwelling animals. B Most warm-blooded animals evolved to have hair, while cold-blooded animals did not. C Most land animals require a vertebral column, while ocean animals do not. D The evolution of the amniotic egg was specific to ocean-dwelling animals.arrow_forwardBuild a phylogenetic tree consisting of the wasp, Pimpla rufipes and four other species. Ensure that the most basal species branches out first. Pimpla 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.arrow_forward
- Which of the following is thought to be the most closely related to the common animal ancestor? a. fungal cells b. protist cells c. plant cells d. bacterial cellsarrow_forwardYou read a research article presentsing new phylogenetic data demonstrating that species that contain a pseudocoelom are not closely related to one another. This suggests that: A. evolution of the pseudocoelom occurred more than once. B. the pseudocoelom evolved before the coelom. C. pseudocoelomates are more closely related to acoelomates than one another. D. pseudocoelomates are more closely related to coelomates than one another.arrow_forwardWhich of the following is NOT true about the mesohyl? a. It is devoid of cells. b. Archaeocytes and other cells move about it. c. None among the other choices. d. It is a gelatinous extracellular matrix that forms a non-living middle layer in sponges. e. All of the other choices (except "None among...")arrow_forward
- Sieve tubes and sieve elements are a. homoplastic because they have different function. b. homologous because they have similar function. c. homoplastic because their common ancestor was single-celled. d. structures involved in transport within animalsarrow_forwardEvolutionary theory predicts that species are related, not independent. Four of the following examples provide support for this prediction, but one is irrelevant. Which of examples listed below does not support the claim that species are related? A. Many dinosaurs and other organisms went extinct following a huge asteroid impact at the end of the Cretaceous. B. Before synthetic insulin was available, diabetics used injections of purified pig insulin to manage their disease. C. The endostyle of lancelets (invertebrate chordates) and the thyroid gland of vertebrates develop similarly, and both produce iodinated proteins. D. All prokaryotes and eukaryotes use DNA to carry their genetic information. E. Ground squirrel species found on the North and South sides of the Grand Canyon are very similar to each other.arrow_forward1. What are architarchs? These are A. fossils that resemble the ruptured coats of cyanobacteria. B. symbiotic combinations of eukaryotic cells. C. the fossilized remains of diatoms. D. the oldest reputed eukaryotic fossils. 2.How did multicellularity probably evolve? * A. When colonies of cells became more and more independent B. By cellular separation within a coenocyte C. All of these three are correct. D. Many times in the Kingdom Protistaarrow_forward
- Which of the following statements is the MOST compelling argument that fungi are more closely related to animals than plants? A. Plants have chloroplasts whereas fungi and animals cells do not. B. Plants fix carbon dioxide from the air; fungi and animals use pre-existing organic molecules. C. The DNA sequences of ribosomal RNA of fungi share more homology with ribosomal RNA from animals than plants. D. Both animal and fungal cells are eukaryotic.arrow_forwardThe traditional organization of the animal family tree of classification is based mostly ona. DNA sequences.b. protein structure.c. conserved anatomical characteristics.d. ribosome structure.arrow_forwardSome embryos share many similarities and are difficult to tell apart, while others are slightly easier. What can you conclude about the similarities and differences between the embryos of different species? Select one: a. The more closely related species show differences from the earlier stages. b. The more closely related species share similarities until the later stages. c. The more distantly related species share similarities until the later stages. d. The more distantly related species show differences in only the later stages.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SRWXEMlI0_U;License: Standard YouTube License, CC-BY
The Evolution of Humans | Evolution | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=Vf_dDp7drFg;License: Standard YouTube License, CC-BY