Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 1, Problem 6TYK
In a pond sample, you find a unicellular organism that has numerous chloroplasts and a whiplike flagellum. In which of the following groups do you think it should be classified?
- a. plant
- b. animal
- c. one of the proposed kingdoms of protists
- d. You cannot tell unless you see if it has a nucleus.
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A group of students observe a sample of water under a microscope. The students see a single celled organism digesting another cell. The single celled organism contains a nucleus in other organelles. In which kingdom would this organism most likely be classified?
A. Animalia
B. Fungi
C. Plantae
D. Protista
You 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. cercozoan
Why is the classification of protists based on DNA sequences useful? *
a. Because only protists have DNA
b. Because it has confirmed the traditional categories for protists
c. Because it has revealed evolutionary relationships, even among organisms that look diffferent
d. All of the above are correct
This is a required question
(2) Why is a species with small population more likely than one with a large population to undergo an extinction? *
a. Because small population are exposed to greater environmental changes
b. Because genetic diversity is likely to be lower in a small population
c. Because the mutation rate is too low
d. Because they take too long to produce an offspring.
Chapter 1 Solutions
Study Guide for Campbell Biology
Ch. 1 - Prob. 1IQCh. 1 - Describe the pathway from DNA nucleotides to...Ch. 1 - Explain how the movement of energy in an ecosystem...Ch. 1 - What is a commonly used criterion for placing...Ch. 1 - Describe in your own words Darwins theory of...Ch. 1 - Prob. 6IQCh. 1 - a. Compare hypotheses and theories. b. Compare...Ch. 1 - a. Compare hypotheses and theories. b. Compare...Ch. 1 - The overarching theme of biology is a. scientific...Ch. 1 - Prob. 2TYK
Ch. 1 - Why can a hypothesis never be proven to be true?...Ch. 1 - Which of the following statements is an example of...Ch. 1 - The smallest unit that shows the emergent...Ch. 1 - In a pond sample, you find a unicellular organism...Ch. 1 - A biologist studying interactions among...Ch. 1 - With respect to information flow, transcription is...Ch. 1 - Prob. 9TYKCh. 1 - Which of the following themes of biology is most...Ch. 1 - Prob. 11TYKCh. 1 - Which of the following best accounts for the...
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- If you were studying the evolution of animal-specific cell-to-cellsignaling systems, from which of the following would you chooserepresentative species to observe?a. Rhodophyta b. Discoba c. Choanomonada d. Radiolaria e. Chlorophytaarrow_forwardWhich of the following is thought to be the most closely related to the common animal ancestor? a. fungal cells b. protist cells c. plant cells d. bacterial cellsarrow_forwardWhy don't we consider protists to all be in 1 kingdom together anymore? Group of answer choices A. because some of them are prokaryotic B. because they are not all closely related C. because they are all prokaryotic D. because some of them are multicellulararrow_forward
- Let’s say we’ve just found a single-celled organism living in a pond. This organism has a nucleus, a cell wall, a plasma membrane, chloroplasts, and flagella. What domain/kingdom is it probably in? Group of answer choices A. Fungi B. Eubacteria C. Plantae D. Archaea E. Protistaarrow_forwardWhich statement about protists is false? a. They can be photosynthetic and one of the foundations of the marine food web. b. Some are multicellular c. They are a monophyletic group. d. Some are parasitic.arrow_forwardAmanda learns that some species of algae share the characteristics of being single-felled and producing sugar by photosynthesis. These species of algae fall into the category of which of the following kingdoms? A) Animalia B) Fungi C) Plantae D) Protistaarrow_forward
- Protists with the capabilities to absorb nutrients from dead organisms are called ______. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophsarrow_forwardThe endosymbiotic theory explains the:a. origin of the first prokaryotic cells.b. origins of mitochondria and chloroplasts in eukaryotes.c. evolutionary relationship between animals, plants, and fungi.d. method of reproduction in protists.arrow_forwardImagine you are looking at a cell that was taken from a multicellular organism and you see that the cell has a cell wall and chloroplasts . What kingdom would this organism be classified in ?arrow_forward
- Explain the taxonomic kingdom ( Animalia, Plantae, Fungi, Protista, Archea, and Bacteria) If you were to choose what kingdom would you be classified and why?arrow_forwardWhich statement about red algae and green algae is correct? A. Red algae and green algae are both fungi B. Red algae is a type of fungus and green algae is a type of plant C. Red algae and green algae are both protists D. Red algae is a type of protist and green algae is a type of plantarrow_forwardHow can scientists determine that multicellularity arose more than once in different lineages? Select one: a. Scientists do not know b. Bacteria live as multicellular groups called biofilms c. Animals are more closely related to single-celled eukaryotes than to fungi d. Fungi can produce multicellular structuresarrow_forward
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