Q: Describe how the endosymbiotic theory explains eukaryotic cell evolution.
A: They consist of eubacteria and archaebacteria. Eukaryotes have complex internal organisation and…
Q: How are protists related to other eukaryotes, such as humans?
A: Protists related to other eukaryotes, such as humans are as follows :- Both are eukaryotic Both…
Q: Why are mesozoans considered the intermediate step between protozoans and metazoans?
A: Animal Kingdom classification is very significant to understand how the organisms are related to one…
Q: Which group of protozoans are nonmotile?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: What structures likely encapsulated molecules creating primitive cells?
A: Primitive cells are defined as a unit of cell which consists exactly one lattice point and is…
Q: What features unite some of the major lineages of eukaryotes?
A: New molecular evidence has allowed for the reclassification of protists into large “supergroups.”…
Q: For the organisms in the picture below: 1. To what kingdom do they belong? 2. Are they prokaryotic…
A: Unicellular organisms are not visible to the naked eye. Their visualization requires the use of…
Q: how did metazoans evolve from a choanocyte like ancestor
A: ‘Metazoans’ is a term used to refer to all animals under the division of Metazoa. They are…
Q: What role did the increase of atmospheric oxygen by prokaryotes play in the development of the…
A: The studies on geological history of oxygen shows that before photosynthesis evolved, the earth's…
Q: Provide a substantial theory regarding how eukaryoticcells originated and how multicellularity came…
A: Prokaryotic cells are those that lack nucleus and other membrane bound organelles. Eukaryotic cells…
Q: What is the correct order of appearance in the fossil record, starting with the earliest: eukaryotic…
A: They consist of eubacteria and archaebacteria. Bacteria are simple prokaryotic organisms which are…
Q: What evidence supports the hypothesis that mitochondriapreceded plastids in the evolution of…
A: Plastids are double membrane-covered cytoplasmic organelles that possess their own genetic machinery…
Q: Why might a parasitic protozoan lack mitochondria?
A: Answer- Parasites are those organisms that totally depends upon the host organism for food and…
Q: do eukaryotes have Pangenomes?
A: in metagenomics, pangenome is the complete cohort of the gene set of all strains of a given species…
Q: How have molecular data informed prokaryotic phylogeny?
A: Prokaryotes are organisms whose cells do not contain a distinct nucleus, bounded by a nuclear…
Q: What do you know about the ecology of the first cells that might suggest that we should look for…
A: Earth is so far the only planet that has the capability to sustain life on it. There are many…
Q: Is fungi is eukaryotic and prokaryotic?
A: One of the most interesting organisms of the biological world is the fungi. Fungus, plural fungi,…
Q: What are sporozoans ? What role do they play ?
A: A protist is any eukaryotic organic entity that is anything but a creature, plant, or parasite.…
Q: Are ctenophores basal metazoans?
A: Ctenophores belong to the phylum Ctenophora, kingdom Animalia. Ctenophores are known as sea…
Q: Where is protozoa found?
A:
Q: What are Flagellated protozoans?
A: Eukaryotes are any form of living organisms that contain complex cells including mitochondria,…
Q: Discuss structural adaptations that have increased the complexityof prokaryotic cells.
A: Prokaryotes includes the unicellular organisms in which nucleus is not enclosed in nuclear membrane
Q: Protozoa have organelles and can they produce?
A: Yes, protozoa have organelles. Protozoa are single celled, hetero-trophic, eukaryotic organisms,…
Q: The term “metazoan” is synonymous with “multicellular animal.” Are there any single-celled animals?…
A: All the living beings are made up of the cell to carry out the activities for their survival. They…
Q: How does a unicellular eukaryote acquire considerable structural complexity within the constraints…
A: A cell is the fundamental unit of life. All living organisms are made up of one or many cells. The…
Q: What types of similarities in cell structure and function tell biologists about the common origin of…
A: Introduction Taxonomy is the branch of science that deals with the classification of organisms in…
Q: Which group comprises of single celled eukaryotes only?
A: A cell is the fundamental unit of life. All living organisms are made up of one or many cells. The…
Q: What are phaeoplasts and rhodoplasts?
A: Eukaryotes have several membrane-bound organelles that are not found in prokaryotic cells.
Q: According to the endosymbiotic theory, protoeukaryotes did not have ribosomes until the…
A: The Endosymbiotic Theory expresses that the mitochondria and chloroplast in eukaryotic cells were…
Q: How do eukaryotic cells differ from bacteria and archaeons, and how do these differences explain the…
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: What are the major morphologies of prokaryoticcells?
A: Prokaryotes are single-celled organisms and these do not have separate nucleus with attached…
Q: What structural feature of prokaryotic cells might you expect to have changed before and…
A: * Many structural features of prokaryotic cells have changed before endosymbionts acquired by…
Q: Where are Sporozoans found?
A: Micro-organisms are such small living organisms that are less than 0.1 mm, and can be seen only…
Q: What protist uses cilia
A: Protists are a diverse collection of eukaryotic organisms. They are mainly microscopic and…
Q: In which domains are algae, protozoa, and cyanobacteria classified?
A: Carl Woese came out with three domain classification based on the structure and function of the…
Q: Briefly explain how the eukaryotic cell could have evolved fromprokaryotic ones.
A: Eukaryotic cells can be defined as the cells that contain the nucleus and organelles and it is…
Q: Why do prokaryotes have Pangenomes?
A: The complete gene set of each strain of a species is called pangenome. It includes the core genome…
Q: Is Cell wall are present in monera?
A: Kingdom monera belongs to the family of prokaryotes. They come under the kingdom that does not…
Q: How might bacteria be involved with reproductive isolation and with the origins of multicellular…
A: Animals developed in bacterial-infested waters, but the role of bacteria in animal evolution is…
Q: ymbiosis has had a role in eukaryotic development?
A: Endosymbiosis is the process where small cells are engulfed by large cells and inside the large…
Q: How did endosymbiosis contribute to the evolution of eukaryotes?
A: Symbiosis is defined as a close relationship between two different organisms. The endosymbiosis…
Q: what 2 cell structures that are unique to Eukarya?
A: All living organisms are made up of one or many cells. The organisms are classified as prokaryotes…
Q: Differntiate between flagellated protozoan,ciliated protozoan and protozoan?
A: Protozoans are unicellular eukaryotic organisms that are the inhabitants of water and soil. They are…
Q: What evidence supports the hypothesis that mitochondria preceded plastids in the evolution of…
A: Introduction Evolution is the key process that regulates the survivability and continuity of species…
Q: Present two hypotheses for the origin of the eukaryotic cell
A: Eukaryotic cell contains membrane bound organelles such as a nucleus , mitochondria and an…
Q: Make alist of features and processes that you think might have been passed down from leca to modern…
A: Hello, thank you for the question. I am assuming the term LUCA is mistyped as LECA, As Lightweight…
Q: Would the following ancestral cell have been a prokaryote or an early eukaryote? Briefly explain…
A: Biological evolution refers to the origin of first biological cell from non living chemical…
Q: Do protozoans have sexual or asexual reproduction?
A: Protozoa are single-celled microscopic, animal-like organisms that are a part of the Kingdom…
How old are the oldest fossils of Eukaryotic cells?
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Solved in 2 steps
- What features of mitochondria and chloroplasts are consistent with an endosymbiotic origin of the organelles?How did endosymbiosis contribute to the evolution of eukaryotes?What role did the increase of atmospheric oxygen by prokaryotes play in the development of the endosymbiotic relationship between protoeukaryotes and mitochondria?
- what are two cell structures unique to eukarya?What evidence supports the hypothesis that mitochondria preceded plastids in the evolution of Eukaryotes cells?How do eukaryotic cells differ from bacteria and archaeons, and how do these differences explain the roles that eukaryotes play in modern ecosystems?
- What are the lineages of the tree of life that we divide into prokaryotes vs. eukaryotes and how are they similar/different?When did prokaryotic cells first appearon Earth?According to the endosymbiotic theory, protoeukaryotes did not have ribosomes until the endosymbiosis with mitochondria was established.