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 19RQ
A marine biologist analyzing water samples notices a protist with a calcium carbonate shell that moves by pseudopodia extension. The protist is likely to be closely related to which species?
- Fuligo septica (Dog Vomit slime mold)
- Circogonia icosahedra (Radiolarian)
- Eugiena viridis
- Ammonia tepida
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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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- The termite gut environment is lacking a fresh supply of oxygen O2. However, it is rich with food due to the presence of bacteria that contain enzymes capable of breaking down cellulose and lignin, the macromolecules that make wood. Use this information to determine which of following protista groups is more likely to be found in a termite gut. Diatoms Radiolaria Parabasilids O Rhodophyta O Foraminifera (Forams)arrow_forwardProtists are more closely related to each other than they are plants, animals and fungi. false truearrow_forwardList two protists that are ciliates or flagellates. List two protists that are amoeboid list two organisms that cause diseas and what diseases they cause create a pie chart or bar graph comparing the forms of motility , ciliates, flagellates and amoebaarrow_forward
- Which of the following correctly matches the protist to the mode of nutrition? Chara- Autotrophy, Euglena - Mixotrophy, Amoeba - Heterotrophy Chara - Heterotrophy, Euglena - Mixotrophy, Amoeba - Heterotropy Chara - Mixotrophy, Euglena- Heterotrophy, Amoeba - Autotrophy They all are capable of Heterotrophyarrow_forwardA protist that was well adapted to its current environment and was not resource limited would most likely reproduce via asexual reproduction. false truearrow_forwardWhich group of protists are the most abundant marine autotrophs? dinoflagellates chlorarachniophytes diatoms chlorophytesarrow_forward
- You are given five test tubes, each containing an unknown protist, and your task is to read the description below and match these five protists that you know to the correct test tube. -Paramecium -Pfiesteria (dinoflagellate) -Navicula (diatom) -Plasmodium -Amoeba In test tube 1, you sketch the organism and come up with a picture that looks like the one below. You note the organism appears to be “eating” the smaller microorganism. Chemical analysis of test tube 2 indicates the presence of a chemical that is toxic to fish and humans. In test tube 3, you detect the presence of substantial amounts of silica. Microscopic analysis of organisms in tube 4 reveals the presence of an apicoplast in the organism Microscopic analysis of the contents in tube 5 reveals the presence of one large macronucleus and several small micronuclei in each organism Match the description with the correct protistarrow_forwardWhich of these organisms is a chemoheterotrophic protist? cats, which are animals and get food and energy from molecules made by other living things staph bacteria, which are parasites on humans methanogenic archaea, which get energy from methane and carbon from carbon dioxide paramecia, which are eukaryotic single celled organisms that eat other organisms for food and energyarrow_forward19) Which of the following statements about protists is true? Group of answer choices Protists are a monophyletic group of organisms All protists are unicellular All protists are photosynthetic Some protists have prokaryotic cells The protist group known as charophytes gave rise to land plantsarrow_forward
- The following are actual mutualistic partnerships that involve a protist and a host organism; which is the exception? Trichomonas and humans Cellulose-digesting gut protists and wood-eating termites Protists living in hypersaline /anoxic waters always associated with bacteria Algae and certain foraminiferans Photosynthetic dinoflagellates and reef-building coral animalsarrow_forwardProtists are a diverse group of eukaryotic microorganisms. Which of the following are types of protists? (Select all that apply) Algae Protozoa Fungi Bacteria Slime moldsarrow_forwardWhich of the following protists photosynthesize? Group of answer choices Autotrophs Heterotrophs Mixotrophsarrow_forward
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