BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 20, Problem 13SA
Summary Introduction
Introduction:
The Euglena is a genus that consists of single cell flagellate eukaryotes. These are found in marine and freshwater. They are differentiated on the basis of the presence of cell covering which is known as a pellicle. Euglena has similar characters to both plants and animals.
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Which of the following structures in chlorarachniophytes provides evidence that they evolved through the endosymbiosis of a green alga by a heterotrophic eukaryote?
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Chapter 20 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 20 - All protists _______. a. lack mitochondria c. live...Ch. 20 - Deposits of shells from ancient ________ have been...Ch. 20 - The presence of a contractile vacuole indicates...Ch. 20 - Prob. 4SACh. 20 - Prob. 5SACh. 20 - Prob. 6SACh. 20 - Prob. 7SACh. 20 - Some _______ are bioluminescent and other live...Ch. 20 - Prob. 9SACh. 20 - A high concentration of oil helps _______ stay...
Ch. 20 - Prob. 11SACh. 20 - Prob. 12SACh. 20 - Prob. 13SACh. 20 - Prob. 14SACh. 20 - Prob. 15SACh. 20 - Imagine you are in a developing country where...Ch. 20 - Which groups of protists are scientists most...Ch. 20 - Water in abandoned swimming pools often turns...Ch. 20 - Melvin Calvin and Andrew Benson determined the...Ch. 20 - The protist that causes malaria evolved from a...
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- Which of the following protist exhibit the discoid type of mitochondrial cristae? A. trypanosoms B. diatoms C. oomycete D. brown algaearrow_forwardProtists with the capabilities to absorb nutrients from dead organisms are called_____________. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophsarrow_forwardCiliates like Paramecium, Tetrahymena, and Vorticella are chemoheterotrophs from which group of only single-celled organisms? a. Chlorophyta b. Oomycota c. Phaeophyta d. Protozoa e. Euglenoids f. Ascomycota g. Archaeaarrow_forward
- Which group of Algae can follow any of three basic life cycles: haplontic, diplontic and haplo-diplontic? A. Green algae B. Diatomophyceae C. Phaeophyceae D. Red algae E. Cyanobacterarrow_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_forwardWhich of the following is NOT a unicelled organism? a. amoeba b. bacteria c. paramecium d. fungiarrow_forward
- Identify from the list below the protists that possess two flagella, are unicellular and common members of the phytoplankton A. diatoms B. dinoflagellates C. forams D. parabasalidsarrow_forwardA meristematic cells a. Are dead b. Have a high cytosol/nucleus ration c. Have a few proplastids d. Have lignified cell wallsarrow_forwardMitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationarrow_forward
- Although they are not photosynthetic, apicomplexan parasites such as Plasmodium have modified plastids. Describe a current hypothesis that explains this observationarrow_forwardWhich of these not major evidence of endosymbiosis?arrow_forwardIn most_______ , an extensive dikaryotic mycelium is the longest-lived phase of the life cycle. a. chytrids c. sac fungi b. zygote fungi d. club fungiarrow_forward
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