Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 28, Problem 11U
Summary Introduction
Introduction:
“Choanoflagellates” belong to the group of Opisthokonts which are close to the animals like sponges in the evolutionary history. These organisms have a collar shaped cell with flagella and filaments which helps in the ingestion of food and water. This characteristic feature is close to the features of the cells present in the sponges. There is identity in the surface receptors present on the surface of choanoflagellates and the sponges that aids in cell signaling mechanisms.
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Which correctly identifies characteristics that protists share with animals?
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C.Motile, Multicellular, Photosynthetic
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Chapter 28 Solutions
Biology
Ch. 28.1 - Prob. 1LOCh. 28.1 - Define endosymbiosis and explain how it relates to...Ch. 28.1 - Describe how mitosis in fungi and some protists...Ch. 28.2 - Describe how an organism would be classified as a...Ch. 28.2 - Prob. 2LOCh. 28.2 - Prob. 3LOCh. 28.3 - List the main features of diplomonads and...Ch. 28.3 - Prob. 2LOCh. 28.3 - Prob. 3LOCh. 28.3 - Prob. 4LO
Ch. 28.4 - Identify the distinguishing feature of the members...Ch. 28.4 - Prob. 2LOCh. 28.4 - Prob. 3LOCh. 28.4 - Prob. 4LOCh. 28.5 - Prob. 1LOCh. 28.5 - Distinguish between cellular and plasmodial slime...Ch. 28.6 - Prob. 1LOCh. 28.6 - Describe how humans use red algae.Ch. 28.6 - Explain why charophytes are considered the closest...Ch. 28.7 - Prob. 1LOCh. 28.7 - Prob. 2LOCh. 28.8 - Prob. 1LOCh. 28 - Prob. 1DACh. 28 - Prob. 1IQCh. 28 - Prob. 2IQCh. 28 - Fossil evidence of eukaryotes dates back to a. 2.5...Ch. 28 - DNA is not found in this organelle. a. Endoplasmic...Ch. 28 - Prob. 3UCh. 28 - Both diplomonads and parabasalids a. contain...Ch. 28 - Trypanosomes are examples of a. euglenoids. b....Ch. 28 - Prob. 6UCh. 28 - If a cell contains a pellicle, it a. can change...Ch. 28 - Strainenopila are a. tiny flagella. b. large...Ch. 28 - Choose all of the following that exlubit an...Ch. 28 - Choose all of the following that are...Ch. 28 - Prob. 11UCh. 28 - When food is scarce, cells of this organism...Ch. 28 - Analyze the following statement; and chose the one...Ch. 28 - Determine which feature of the choanoflagellates...Ch. 28 - Examine the life cycle of cellular slime molds,...Ch. 28 - Modem taxooomic treatments rely heavily on...Ch. 28 - Prob. 2SCh. 28 - Design an experiment to demonstrate that cells of...
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- Which statement about protists is false? a. They can be photosynthetic and one of the foundations of the marine food web. b. Some are multicellular c. They are a monophyletic group. d. Some are parasitic.arrow_forwardWhich is NOT an advantage of the dikaryotic stage in fungi? A. it generate genetic variation B. it increases the chances of the fungi of surviving and reproducing C. it allows the fungi to complete reproduction when conditions are appropriatearrow_forwardWhich of these protists is hypothesized to be ancestral to animals? a. a green algal protist b. a choanoflagellate c. an amoeboid protistd. a slime moldarrow_forward
- A ciliated epidermis persists in the mature form of a flatworm belonging to which class? a. Turbellaria b. Monogenea c. Trematoda d. Cestodaarrow_forwardWhich group is correctly paired with its description? A. diatoms-important consumers in aquatic communities B. diplomonads-protists with modified mitochondria C. apicomplexans -producers with intricate life cycles D. red algae-acquired plastids by secondary endosymbiosisarrow_forwardWhich characteristic is shared by prokaryotes and eukaryotes? a. cytoskeleton b. nuclear envelope c. DNA-based genome d. mitochondriaarrow_forward
- Which statement about protists is true? a. Protists have many different metabolic lifestyles. b. Almost all protists are parasitic. c. All protists use pseudopods or cilia to locomote. d. All marine protists rid themselves of excess water by means of contractile vacuoles. e. Protists are found only in aquatic habitats.arrow_forwardWhich statement about red algae and green algae is correct? A. Red algae and green algae are both fungi B. Red algae is a type of fungus and green algae is a type of plant C. Red algae and green algae are both protists D. Red algae is a type of protist and green algae is a type of plantarrow_forwardWhich of these structures is not an example of an extracellular matrix? A. Nuclear envelope B. Cuticle C. Cell wall D. Basement membranearrow_forward
- Which type of protist shows characteristics that make it difficult to classify as either plant-like or animal-like? 1.Diatom 2.Amoeba 3.Euglenoid 4.Ciliatesarrow_forwardCiliates like Paramecium typically reproduce asexually. Which process in Paramecium results in genetic recombination but no increase population size? A. budding B. meiotic division C. conjugation D. binary fissionarrow_forwardIn the tree of life, which taxon does not belong to the Archaeplastida? A. green algae B. Charophyta C. flowering plants D. diatoms E. Red algaearrow_forward
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