How 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 structures

How 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 structures

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter26: Protists

Section: Chapter Questions

Problem 2TYU: Molecular evidence supports the view that all plastids evolved from an ancient (a) cyanobacterium...

See similar textbooks

Similar questions

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
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
Which 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 cells
According to the phylogeny presented in this chapter, whichprotists are in the same eukaryotic supergroup as plants?(A) green algae(B) dinoflagellates(C) red algae(D) both A and C
Which of the following statements is the MOST compelling argument that fungi are more closely related to animals than plants? A. Plants have chloroplasts whereas fungi and animals cells do not. B. Plants fix carbon dioxide from the air; fungi and animals use pre-existing organic molecules. C. The DNA sequences of ribosomal RNA of fungi share more homology with ribosomal RNA from animals than plants. D. Both animal and fungal cells are eukaryotic.
Which group is correctly paired with its description? A. diatoms-important consumers in aquatic communities B. diplomonads-protists with modified mitochondria C. apicomplexans -producers with intricate life cycles D. red algae-acquired plastids by secondary endosymbiosis
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 and other organelles. In which kingdom would this organism most likely be classified?
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.
Which of the following does not explain why slime molds and multicellular algae are included in the Kingdom Protoctista? They A. lack important characteristics of the plants and fungi. B. use an amoeboid type of movement. C. classification system is trying to reflect phylogenetic relationships. D. appear to be more closely related to unicellular eukaryotes.
EVOLUTION LINK Why are the protists considered paraphyletic? Use Figure 26-3 to help explain your answer.
Molecular evidence supports the view that all plastids evolved from an ancient (a) cyanobacterium (b) archaean (c) diplomonad (d) apicomplexan (e) unikont
Modern taxonomic treatments rely heavily on phylogenetic data to classify organisms. In the past, taxonomists often used a morphological species concept, in which species were defined based on similarities in growth form. Give an example of how a morphological species concept would group a set of protists differently from how a phylogenetic species concept would.