Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 28, Problem 2TY
Summary Introduction
Introduction: Plants are eukaryotic organisms that have the capability to perform photosynthesis. They can grow in the land as well as in water. However, the population of land plants is higher. The land plants perform photosynthesis more efficiently than any other organism.
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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. Chlorophyta
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.
Which of the following is not true about green algae?
A. They are a morphologically diverse group
B. They are the closest living relatives of land plants
C. The group includes the most recent common ancestor and all the descendants
D. They share several morphological similarities with land plants
Chapter 28 Solutions
Biology
Ch. 28.1 - An Introduction to Protists Core Skill:...Ch. 28.2 - Prob. 1CCCh. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Prob. 4CCCh. 28.2 - Prob. 5CCCh. 28.3 - Prob. 1EQCh. 28.3 - Prob. 2EQCh. 28.4 - Prob. 1CCCh. 28.4 - Prob. 2CC
Ch. 28.4 - Core Skill: Modeling The goal of this modeling...Ch. 28 - Prob. 1TYCh. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - What organisms have tertiary plastids? a. certain...Ch. 28 - What is surprising about mixotrophs? a. They have...Ch. 28 - What advantages do diatoms obtain from sexual...Ch. 28 - What are extrusomes? a. hairs on flagella b....Ch. 28 - Prob. 9TYCh. 28 - Prob. 10TYCh. 28 - Prob. 1CQCh. 28 - Why have molecular biologists sequenced the...Ch. 28 - Core Concept: Science and Society Why are the...Ch. 28 - Prob. 1COQCh. 28 - Prob. 2COQ
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- Based on the evidence in the diagram, which statement is true about fungi? A. They are more closely related to plants than to animals. B. They are more closely related to animals than to plants. C. They are more closely related to green algae than to plants. D. They are more closely related to green algae than to animals.arrow_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_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
- Why is the classification of protists based on DNA sequences considered useful? a. Because only protists have DNA b. Because genetic sequences have confirmed the traditional categories of protists c. Because DNA reveals evolutionary relationships, even among organisms that look different d. All of the above are correct.arrow_forwardMolecular evidence supports the view that all plastids evolved from an ancient (a) cyanobacterium (b) archaean (c) diplomonad (d) apicomplexan (e) unikontarrow_forwardIdentify which of the following statements is false and correct the statement. a. Brown and red algae are not closely related phylogenetically. b. Chloroplasts in brown and red algae are monophyletic. c. Brown algae gained chloroplasts by engulfing green algae (endosymbiosis). d. None of the statements are false.arrow_forward
- Can you answer all the parts of this question about this picture A:What subclass does this organism belong to? B: Give the genus and species of this organism?arrow_forwardCan you answer all the parts of this question about this picture A: This organism is a member of what subclass? B: This organism is a member of what order?arrow_forwardOn a phylogenetic tree, which term refers to lineages that diverged from the same place? a. sister taxa b. basal taxa c. rooted taxa d. dichotomous taxaarrow_forward
- What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes? A. that unikonts are derived from the SAR clade B. that Archaeplastids were the first eukaryotes C. that fungi are more closely related to plants than animals D. that eukaryotes are all descended from a common ancestorarrow_forwardExamine the cladogram shown below and answer these questions. a. What is the derived characteristic possessed by ferns? b. What derived characteristics are shared by pine trees and flowering plants? c. Which type of plant lacks a vascular system?arrow_forwardIn this data table comparing DNA sequences among various protists, why do some cells have a dash rather than a value? A. Those cells would compare one species to itself. B. Those cells would duplicate comparisons shown elsewhere in the matrix. C. Those comparisons were not made by the researchers.arrow_forward
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