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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Textbook Question
Chapter 29, Problem 12U
When food is scarce, cells of this organism communicate with each other to form a multicellular slug.
a. Cellular slime molds
b. True amoebas
c. Foramimfera
d. Diatoms
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Protists with the capabilities to perform photosynthesis and to absorb nutrients from dead organisms are called ______________. a. photoautotrophs b. mixotrophs c. saprobes d. heterotrophs
Which of these protists is hypothesized to be ancestral to animals?
a. a green algal protist b. a choanoflagellate c. an amoeboid protistd. a slime mold
Which protist group exhibits mitochondrial remnants with reduced functionality? a. slime molds b. diatoms c. parabasalids d. dinoflagellates
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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- Some _______ are bioluminescent and other live inside the bodies of corals. a. red algae b. diatoms c dinoflagellates d. radiolariaarrow_forwardThe presence of a contractile vacuole indicates that a single-celled protist _______. a. is marine c. is photosynthetic b. lives in fresh water d. secretes a toxinarrow_forwardWhich parasitic protist evades the host immune system by altering its surface proteins with each generation? a. Paramecium caudatum b. Trypanosoma brucci c. Plasmodium falciparum d. Phytophthora infrstansarrow_forward
- Deposits of shells from ancient ________ have been transformed to chalk and limestone. a. dinoflagellates c. radiolaria b. diatoms d. foraminiferaarrow_forwardWhich of these protists is believed to have evolved following a secondary endosymbiosis? a. green algae b. cyanobacteria c. red algae d. chlorarachniophytesarrow_forwardReproduction by budding takes place in: (a) hydra (b) amoeba (c) paramecium (d) bacteriaarrow_forward
- Protists do not includea. algae. c. multicellular organisms.b. amoebas. d. mushroomsarrow_forwardWhat genus of protists appears to contradict the statement that unicellularity restricts cell size? a. Dictyostelium b. Ulva c. Plasmodium d. Caulerpaarrow_forwardYou have discovered a photosynthetic protist that lives in fairly deep water (for example, 250 m deep). To which of the following groups should this organism be classified? A. diatoms B. green algae C. red algae D. cercozoanarrow_forward
- Which parasitic protist evades the host immune system by altering its surface proteins with each generation? a. Paramecium caudatum b. Trypanosoma brucei c. Plasmodium falciparum d. Phytophthora infestansarrow_forwardWhich of the following does not explain why slime molds and multicellular algae are included in the Kingdom Protoctista? They A. lack important characteristics of the plants and fungi. B. use an amoeboid type of movement. C. classification system is trying to reflect phylogenetic relationships. D. appear to be more closely related to unicellular eukaryotes.arrow_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_forward
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