Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 21, Problem 2FIB
Summary Introduction
Introduction:
Photosynthetic protists include the species of red, brown and green algae. Non-photosynthetic species include the species of protozoans like Amoeba, plasmodium and Giardia which cause infection inside the human body.
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Protists that make up a large proportion of Earth’sphytoplankton include___________ and__________ .The protist group containing the species most likelyto one day be cultivated for biofuel production is__________.
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Chapter 21 Solutions
Biology
Ch. 21.1 - What do biologists mean when they say that sex and...Ch. 21.1 - define protist and describe the various ways in...Ch. 21.1 - describe a scenario for the evolutionary origin of...Ch. 21.1 - describe the major effects of protists on people...Ch. 21.2 - Prob. 1TCCh. 21.2 - Just as the invasive Cauterpa seaweed often...Ch. 21.2 - If you like sushi, youve probably eaten a sushi...Ch. 21.2 - list the major protist taxonomic groups and the...Ch. 21.2 - describe some examples of how members of each...Ch. 21.2 - Is it important to stop the spread of Caulerpa?...
Ch. 21 - Which of the following statements about protists...Ch. 21 - The harmful protist blooms known as red tides are...Ch. 21 - The organism that causes malaria belongs to which...Ch. 21 - The finger-like extensions of the cell membrane...Ch. 21 - Prob. 5MCCh. 21 - Prob. 1FIBCh. 21 - Prob. 2FIBCh. 21 - Protist chloroplasts surrounded by four-layer...Ch. 21 - Prob. 4FIBCh. 21 - Prob. 5FIBCh. 21 - Prob. 6FIBCh. 21 - List the major differences between prokaryotes and...Ch. 21 - What is secondary endosymbiosis?Ch. 21 - what is the importance of dinoflagellates in...Ch. 21 - What is the major ecological role played by...Ch. 21 - Which protist group consists entirely of parasitic...Ch. 21 - Which protist groups include seaweeds?Ch. 21 - Which protist groups include species that use...Ch. 21 - The internal structure of many protists is much...Ch. 21 - What are some important benefits and services...
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- Protists 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_forwardYou 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_forwardIn secondary endosymbiosis, the plastid organelle is derived from engulfing Prokaryotic algal cell. an True Falsearrow_forward
- Which of the following is an example of fungus-like protist? Group of answer choices golden algae rhizopus plasmodial slime molds trufflesarrow_forwardWhich of the following organisms is an example of fungus-like protist? Group of answer choices water molds rhizopus truffles golden algaearrow_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
- Protists include only single-celled eukaryotic organisms. false truearrow_forwardProtists are more closely related to each other than they are plants, animals and fungi. false truearrow_forwardSlime molds/moulds or mycetozoans is a broad term that applies to many fungus-like protists. a. In what sense is it appropriate to describe slime molds as “fungus animal”? b. Elaborate on the evolution of the slime molds into two distinct groups.arrow_forward
- Carbon-containing mechanism of plant-like protists occurs in _________NucleusGulletPyrenoidContractile vacuoleUndulating membranearrow_forwardHealth professionals refer to fungal skin diseases as “tineas” and name them according to the region affected (TABLE 23.1). Fungal skin diseases are persistent, in part because fungi can penetrate deeper layers of skin than can ointments and creams. There are fewer antifungal drugs than antibacterial ones, and antifungals often have more severe side effects. Reflect on the evolutionary relationships among bacteria, fungi, and humans. Why it is harder to fight fungi than bacteria?arrow_forwardif global warming trends continue, many species, including protists and fungi, may become extinct due to habitat loss. Name two ecological roles of protists and two ecological roles of fungiarrow_forward
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