Which of the Following Statements Is (Are)true Regarding the Reptiliomorph

question 6

Multiple Choice

Which of the following statements is (are) true regarding the reptiliomorph lineage? Check all that apply.

• A) The reptiliomorph lineage includes modern reptiles (including birds)and mammals as well as extinct relatives of these animals.
• B) The reptiliomorph lineage includes both amniote and anamniote ancestors.It is possible that we will never know where amniotic membranes arose within this lineage as soft embryonic membranes do not fossilize.
• C)Anamniotes are definitely considered to have been reptiles even though they did not have amniotic eggs.Other characteristics are definitely reptilian.
• D) Anamniotes had a mix of amphibian/reptilian features including five digit forelegs and an atlas and axis that increased head mobility.Anamniotes are probably basal in position in the lineage they share with amniotes.

Understand the concept of alternation of generations and the characteristics of haploid and diploid stages in the life cycle of eukaryotic organisms.

Recognize the life cycle stages and infectious processes of Plasmodium, the causative agent of malaria.

Describe the structure and ecological importance of diatoms and their role in soil enrichment and as insecticides.

Explain the osmoregulation mechanisms in microbial eukaryotes, including the function of specialized vesicles.

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