Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Chapter 29, Problem 2A
Determine which feature of the choanoflagellates was likely the most significant for the evolution of animals?
a. Flagellum with a funnel-shaped, contractile collar also found in sponges
b. A type sine kinase receptor on the surface of choanoflagellates that has strong homology to
c. A colonial form that resembles some fungi
d. Eyespots that are similar to ribbon worms
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Chapter 29 Solutions
Biology
Ch. 29 - Fossil evidence of eukaryotes dates back to a. 2.5...Ch. 29 - DNA is not found in this organelle. a. Endoplasmic...Ch. 29 - Prob. 3UCh. 29 - Both diplomonads and parabasalids a. contain...Ch. 29 - Trypanosomes are examples of a. euglenoids. b....Ch. 29 - Prob. 6UCh. 29 - If a cell contains a pellicle, it a. can change...Ch. 29 - Strainenopila are a. tiny flagella. b. large...Ch. 29 - Choose all of the following that exlubit an...Ch. 29 - Choose all of the following that are...
Ch. 29 - Prob. 11UCh. 29 - When food is scarce, cells of this organism...Ch. 29 - Analyze the following statement; and chose the one...Ch. 29 - Determine which feature of the choanoflagellates...Ch. 29 - Examine the life cycle of cellular slime molds,...Ch. 29 - Modem taxooomic treatments rely heavily on...Ch. 29 - Prob. 2SCh. 29 - Design an experiment to demonstrate that cells of...
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- Differentiate sycon, ascon and leucon type of canal system. Use illustration to support your answer. What are the criteria used in classification of sponges into classes?arrow_forwardWhich is predatory, uses fours leg, and the males have wings? A. Embiidina B. Dermaptera C. Ephemeroptera D. Mantodeaarrow_forwardWhich group within kingdom Protista probably gave rise to sponges? On what evidence do you base your answer?arrow_forward
- According 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_forwardWhich protist group exhibits mitochondrial remnants with reduced functionality? a. slime molds b. diatoms c. parabasalids d. dinoflagellatesarrow_forwardExplain the differences between living corals in the ocean and the pieces of coral one might see washed up on a beach.arrow_forward
- Which is not true about Cnidarians? A1. Some cnidarians go through polyp stages and medusa stages A. some jellyfish looking things are not in the same Cnidarian class as the true jelly fish B. anemones have a sessile lifestyle which means they stay attached to the bottom C. Cnidarian stinging cells are called choanoflagellates D. corals have symbiotic algae called zooxanthellae, that they depend uponarrow_forwardAn amoeba is a unicellular animal like protist that lives in ponds and. Streams. According to the cell theory, where did this cell come from?arrow_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
- Can you answer all the parts of this question about this picture A:This organism is a member of which phylum? B: This organism is a member which genus and species? C:This organism uses which structure to capture prey? (Hint: it has a stylet on it)arrow_forwardWhich statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. A phylum may be represented in more than one kingdom. d. Species are the most specific category of classification.arrow_forwardCubozoans are______. a. polyps b. medusoids c. polymorphs d. spongesarrow_forward
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