BIOLOGY:CONCEPTS+INVESTIGATIONS-ACCESS
3rd Edition
ISBN: 9780077680978
Author: Marielle Hoefnagels
Publisher: McGraw Hill
expand_more
expand_more
format_list_bulleted
Question
Chapter 15, Problem 4MCQ
Summary Introduction
Introduction:
The multicellularity evolved around 1.2 billion years ago. The earliest multicellular organisms were red alga. The evolution of multicellularity was a major step in the evolution of fungi, plants and animals.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
place the evolutionary steps that led to complex multicellularity in the order in which they thought to have occurred. a) The ability of cells to stick to each other
b) Differential gene expression in cells
c) The ability to communicate between cells
d) The ability to move molecules by bulk flow
Can you answer all the parts of this question about this picture
A:This organism is a member of which phylum?
B: This organism is a member which genus and species?
C:This organism uses which structure to capture prey? (Hint: it has a stylet on it)
Can you answer all the parts of this question about this picture
A: This organism is a member of which class?
B: This organism is a member of which subclass?
C: What is Structure B?
D:What is the sex of this organism?
Chapter 15 Solutions
BIOLOGY:CONCEPTS+INVESTIGATIONS-ACCESS
Ch. 15.1 - How were conditions on Earth before life began...Ch. 15.1 - Prob. 2MCCh. 15.1 - Prob. 3MCCh. 15.1 - Prob. 4MCCh. 15.2 - How might the endoplasmic reticulum, nuclear...Ch. 15.2 - Prob. 2MCCh. 15.2 - Prob. 3MCCh. 15.3 - Prob. 1MCCh. 15.3 - What types of organisms flourished in the...Ch. 15.3 - How did Palaeozoic life diversify during the...
Ch. 15.3 - Prob. 4MCCh. 15.3 - Prob. 5MCCh. 15.3 - Prob. 6MCCh. 15.4 - Name and describe the three groups of contemporary...Ch. 15.4 - Prob. 2MCCh. 15.4 - Prob. 3MCCh. 15.4 - Prob. 4MCCh. 15.5 - Prob. 1MCCh. 15.5 - Prob. 2MCCh. 15 - Prob. 1MCQCh. 15 - Prob. 2MCQCh. 15 - Photosynthetic cells affected early Earth by a....Ch. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Why was the Mesozoic era extinction significant to...Ch. 15 - Primates share all of the following...Ch. 15 - Prob. 9MCQCh. 15 - DNA evidence suggests that modern humans a. share...Ch. 15 - Explain how the origin of self-replicating...Ch. 15 - Prob. 2WIOCh. 15 - Review the structures of nucleic acids and...Ch. 15 - Prob. 4WIOCh. 15 - The amoeba Pelomyxa palustris is a single-celled...Ch. 15 - Prob. 6WIOCh. 15 - List the major events of the Precambrian supereon...Ch. 15 - Distinguish among the terms primate, hominid,...Ch. 15 - Explain how opposable thumbs, large brains, and...Ch. 15 - Prob. 10WIOCh. 15 - Prob. 11WIOCh. 15 - Use the Internet to learn about National...Ch. 15 - In what ways has culture been an important factor...Ch. 15 - Prob. 14WIOCh. 15 - Compare todays changing culture to biological...Ch. 15 - Prob. 16WIOCh. 15 - Refer to figure 15.31 and the chapter content to...Ch. 15 - Prob. 2PITCh. 15 - Refer to figure 15.31 and the chapter content to...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which 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_forwardThe multicellular body plan (demonstrated by the Porifera, sponges) are possible because of the evolution of specialized proteins that include? A) MEMBRANE PROTEINS (Adhering proteins) that bind the cell membranes together b)DNA c) hemoglobin d) glycogen and chitin e) chromosomes ?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_forward
- Figure 1.8 Which of the following statements is false? A. Tissues exist within organs which exist within organ systems. B. Communities exist within populations which exist within ecosystems. C. Organelles exist within cells which exist within tissues. D. Communities exist within ecosystems which exist in the biosphere.arrow_forwardLook at the picture. What are the structures shown in the picture called? A. They are external structures. B. They are internal structures. C. They are vascular structures. D. They are reproductive structures.arrow_forwardA 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. Protistaarrow_forward
- Which of these steps probably occurred first in the chemical andbiological evolution of life?a. The cell membrane of a protobiont formed.b. The first organic molecules formed.c. The original genetic material was RNA.d. Simple organic monomers formed from inorganic materials.arrow_forwardWhy 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_forwardWhich group of organisms is most closely related to the kingdomFungi?a. the animal kingdom b. the green algaec. the land plants d. the bacteria e. the archaeaarrow_forward
- Which of the following statements is false? a. All multicelled organisms have cell walls. b. All multicelled organisms are eukaryotic c. All multicelled organisms have cell membranes. d. The nuclei of multicelled organisms are membrane-bound.arrow_forwardWhy 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.arrow_forwardWhich sentence best describes the logic of scientific inquiry?(A) If I generate a testable hypothesis, tests and observationswill support it.(B) If my prediction is correct, it will lead to a testablehypothesis.(C) If my observations are accurate, they will support myhypothesis.(D) If my hypothesis is correct, I can expect certain test results.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
The Skeletal System; Author: Professor Dave Explains;https://www.youtube.com/watch?v=f-FF7Qigd3U;License: Standard YouTube License, CC-BY