Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 23, Problem 12RQ
Which of these locomotor organs would likely be the shortest?
- a flagellum
- a cilium
- an extended pseudopod
- a pellicle
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Which of these locomotor organs would likely be the shortest? a. a flagellum b. a cilium c. an extended pseudopod d. a pellicle
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Chapter 23 Solutions
Biology 2e
Ch. 23 - Figure 23.5 What evidence is there that...Ch. 23 - Figure 23.25 Which of the following statements...Ch. 23 - Figure 23.28 Which of the following statements...Ch. 23 - What event is thought to have contributed to the...Ch. 23 - Which characteristic is shared by prokaryotes and...Ch. 23 - Mitochondria most likely evolved by ___________ ....Ch. 23 - Which of these protists is believed to have...Ch. 23 - In 2016, scientists published the genome of...Ch. 23 - Which of the following observations about a...Ch. 23 - Protists that have a pellicle are surrounded by...
Ch. 23 - Piotists with the capabilities to perform...Ch. 23 - Which of these locomotor organs would likely be...Ch. 23 - Alternation of generations describes which of the...Ch. 23 - The amoeba E. histolytica is a pathogen that forms...Ch. 23 - Which protist group exhibits mitochondrial...Ch. 23 - Conjugation between two Paramecia produces total...Ch. 23 - What is the function of the raphe in diatoms?...Ch. 23 - What genus of piotists appears to contradict the...Ch. 23 - A marine biologist analyzing water samples notices...Ch. 23 - An example of carbon fixation is photosynthesis...Ch. 23 - Which parasitic protist evades the host immune...Ch. 23 - Which of the following is not a way that piotists...Ch. 23 - Describe the hypothesized steps in the origin of...Ch. 23 - Some aspects of eukaryotes are more similar to...Ch. 23 - Explain in your own words why sexual reproduction...Ch. 23 - Giaidia iamblia is a cyst-forming protist parasite...Ch. 23 - Explain how the definition of protists ensures...Ch. 23 - The chllorophyte (green algae) genera Ulva and...Ch. 23 - Why might a light-sensing eyespot be ineffective...Ch. 23 - Opisthokonta includes animals and fungi, as well...Ch. 23 - Describe two ways in which paramecium differs from...Ch. 23 - How does killing Anopheles mosquitoes affect the...Ch. 23 - Without treatment, why dees African sleeping...Ch. 23 - Describe how increasing stress to the ocean would...
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- _____________________________________ cells produce the water currents that carry food into a spongearrow_forwardAristotle classified all large, mobile, unshelled aquatic animals without a vertebral column as: the Malacostraca the zoophytes the birds the malacia the ostracodermarrow_forwardFlagellum has 9+2 microtubules for planar locomotion.True or False?arrow_forward
- The Order Squamata consists of 3 sub orders. Why are these Suborders so different - give at least 2 distinctive characteristics for each.arrow_forwardWhich of the following organisms cannot undergo budding? a.)yeast b.)bacterium c.)hydra d.)spongearrow_forwardWhich of the following results from sexual reproduction in sponges? a. Parenchymula b. Gemmule and parenchymula c. Parenchymula and external bud d. Gemmule e. Gemmule and external bud d. External budarrow_forward
- A triploblastic acoelomate would have which THREE among the following elements? Endodermis Mesohyl Mesoglea Digestive cavity Parenchyma Epidermis Pseudocoelarrow_forwardAlternate contractions of ______________muscles bend the body of a cephalochordate, propelling it through the water column. Group of answer choices longitudinal longitudinal and circular notochordal circular transversearrow_forwardWater vascular system is the characteristic of which group of the following:(a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordataarrow_forward
- The rhynchocoel is a. circulatory system fluid-filled cavity primitive excretory system proboscisarrow_forwardThe large central opening in the poriferan body is called the ______. a. emmule b. picule c. stia d. osculumarrow_forwardProtists that have a pellicle are surrounded by ___________ . silica dioxide calcium carbonate carbohydrates proteinsarrow_forward
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