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 7RQ
Which of these protists is believed to have evolved following a secondary endosymbiosis?
- green algae
- cyanobacteria
- red algae
- chlorarachniophytes
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Which group of protists are the most abundant marine autotrophs?
dinoflagellates
chlorarachniophytes
diatoms
chlorophytes
Which of these protists is believed to have evolved following a secondary endosymbiosis? a. green algae b. cyanobacteria c. red algae d. chlorarachniophytes
Which of the following characteristics is NOT one all protists share?
A.
mixotrophic, autotrophic and heterotrophic
B.
eukaryotic
C.
mostly unicellular
D.
symbionts
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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- Protists with the capabilities to absorb nutrients from dead organisms are called ______. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophsarrow_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_forwardA 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 tepidaarrow_forward
- The 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 of the following protists photosynthesize? Group of answer choices Autotrophs Heterotrophs Mixotrophsarrow_forwardWhich of the following plant-like protists exhibits behavior of both plants and animals? Group of answer choices euglenoids algae diatoms dinoflagellatesarrow_forward
- Which of the following is NOT a characteristic of all protists?a. Unicellularb. Cells containing membrane-bounded organellesc. Cells containing a nucleusd. Eukaryoticarrow_forwardWhich of the following organisms is an example of fungus-like protist? Group of answer choices water molds rhizopus truffles golden algaearrow_forwardFill in the blanks Bacteria inside termites are ___________ when they live on the outside of protists they interact with. Protists inside termites are ___________ because they live inside the termites they interact with. Trichonympha is one kind of termite __________ that has bacteria living on it and inside it.arrow_forward
- What feature of protists allow them to survive harshenvironmental conditions?a. vegetative cellsb. planktonc. cystsd. plastidse. vacuolesarrow_forwardWhich protist group exhibits mitochondrial remnants with reduced functionality? a. slime molds b. diatoms c. parabasalids d. dinoflagellatesarrow_forwardWhat genus of protists appears to contradict the statement that unicellularity restricts cell size? a. Dictyostelium b. Ulva c. Plasmodium d. Caulerpaarrow_forward
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