What is the MRCA of all of the animals within the Animal Kindom? O A. Archaebacteria O B. Ciliated Protozoa O C. Flagellated Protozoa O D. Porifera O E. Eubacteria

Q: Why aren’t sponges eaten more by predators?a. They are protected by silica spicules.b. They are…

A: Sponge are multicellular aquatic animals that are member of phylum Porifera. Most sponges are…

Q: Which of the following statements regarding protozoa is false?a) Some protozoa lack mitochondria.b)…

A: Protozoa are free-living parasitic, single-celled eukaryotes. They are single-celled organisms. They…

Q: Which class of Cnidarian is described below: This class includes the corals and the sea anemones.…

A: Cnidarians are diploblastic and have organized tissues. These organisms undergo extracellular…

Q: Which organisms can partner with fungi to form lichens? O a. Gram-positive bacteria O b.…

A: Lichens are symbiotic relationship between fungi and algae or bacteria. In lichens, algae provides…

Q: Which eukaryotes break down food externally and then absorb nutrients? O a. protists b. fungi C.…

A: According to the question, we have to mention which eukaryotes break down food externally and then…

Q: Which of the following is not a locomotive organelle of protozoans? a)Pili b)Flagella c)cilia…

A: Protozoans are the unicellular eukaryotes that can either live as a parasite or free-living. Ameba,…

Q: Endosymbiosis states that free-living [ ? ] were engulfed J of and became the [ ]of the eukaryotes…

A: Introduction :- Endosymbiosis occurs when one cell engulfs another, resulting in a coevolved…

Q: What kingdom does Phylum Chordata belong to? A. Animal Kingdom B. Eubacteria Kingdom C. Protist…

A: Introduction  kingdom is a taxonomic level made up of phyla, which are more compact groups (or…

Q: Select the unique character of archaebacteria. A. Chemosynthetic metabolisms. B. Inhabits extreme…

A: Archae bacteria are ancient form of bacteria and they do not share the lineage with blue green algae…

Q: Choanoflagellates are considered the sister group to, or closest living relatives of,______ . a.…

A: The R.H. Whittaker classification system divides the organisms into five major kingdoms. Kingdom…

Q: As a taxonomic category, Protozoa is a/an…    A) ... order.   B) ... kingdom.   C) ... class.   D)…

A: The taxonomy is a branch of science that deals with the classifications and systematics of the…

Q: Bacteria are similar to archaea in that theya. arose through endosymbiosis.b. are multicellular.c.…

A: Bacteria are similar to archea in that they arose from endosymbiosis ( an organism which lives…

Q: Members of the kingdom Protista differ from members ofthe kingdom Monera mainly due to the presence…

A: Millions of species are present on Earth which was classified into various groups according to the…

Q: why are Acanthamoeba and Naegleria parasites described as: a. Ubitiqous organisms b. Miscellaneous…

A: * Acanthamoeba and Naegleria are the protozoan parasites that can be found in many sources like…

Q: Diatoms function to sequester a significant amount of global carbon dioxide because O Their silica…

A: The correct option is -(c) which is they are photoautotrophs.

Q: Protists with the capabilities to absorb nutrients from dead organisms are called_____________. a.…

A: Answer is c.)  saprobes.

Q: One property that distinguishes cells in domain Eukarya from those indomain Bacteria is the presence…

A: Answer is d.)  membranous organelles.

Q: Which characteristic(s) is/are not typical of protozoan cells?a. locomotor organelle c. sporeb. cyst…

A: The group of simply organized organisms whose size ranges from  1 micrometer to several millimeters…

Q: You have discovered a single celled organism that you have determined is in either Domain Archaea or…

A: Introduction : Carl Woese classified the biological organisms into three important domains- Archaea,…

Q: n example of Protozoa, Anthropod, Aves, Mammal & Reptile is respectively __________?

A: An organism is a living creature with a well-organized structure that responds to stimuli,…

Q: ng prokaryotic kingdoms uses glycerol and has some members able to survive boiling water, but neve…

A: Kingdom Archaeobacteria consists of glycerol 1 phosphate in membrane lipids .but its cell wall is…

Q: Why is multicellularity adaptive?a. Multicellular organisms reproduce more quickly than…

A: Multicellular consist of many cells whereas unicellular consist of single cell which performs all…

Q: The______ include animals, fungi, and some protists. a. amoebozoans c. opisthokonts b. stramenopiles…

A: BASIC INFORMATION ANIMAL KINGDOM  It is among one of the five kingdom classified by R.H. Whittaker.…

Q: Peptidoglycan is a chemical compound found in the cell walls of (a) most viroids (b) most archaea…

A: Peptidoglycan is a polymer consist of sugar and amino acids which forms a mesh-like structure…

Q: Amoebas, foraminifera, and radiolarians move using theira. cytoplasm.b. flagella.c. cilia.d. setae.

A: The organisms are classified into- eukaryotes and prokaryotes. The prokaryotes do not have a well…

Q: Having linear chromosomes packaged with histone proteins is characteristic of: A. all…

A: DNA packaging is an important process in living cells as it is impossible to accommodate a large…

Q: Scientists propose that the first macromolecules in protobiontswerea. DNA molecules.b. RNA…

A: Macromolecules are large molecules composed of thousands of covalently connected atoms. Proteins,…

Q: Which of these protists is hypothesized to be ancestral to animals? a. a green algal protist b. a…

A: Answer is option B) choanoflagellate.

Q: Which

A: The slime mould and multicellular algae are included in kingdom protista because :  a)They lack…

Q: Which of the following is NOT one of the roles of algae in nature? O a. Petroleum is the fossil…

A: Introduction :  Features of algae : Body is relatively simple unicellular or multicellular thallus…

Q: In the following diagram, what do we know for sure about the snake? O It is a prokaryote O It is in…

A: Need to determine the correct option among the four based on the diagram shown above.

Q: Protists with the capabilities to perform photosynthesis and to absorb nutrients from dead organisms…

A: Protists are an assorted collection of life forms. While special cases exist, they are basically…

Q: In which aspect do all protozoans definitely differ from animals?    a) Unicellularity b)…

A: Protozoans: Protozoa (singular protozoon or protozoan, plural protozoa or protozoans) are…

Q: Which of the following are characteristics of archaebacteria?  a) Methane-producers b) Extreme…

A: Archaebacteria are microorganisms that are considered as ancient form of life. They are evolved…

Q: Bacteria that cause the disease typhus are close relatives of bacteria that evolved into _____.…

A: Bacteria are a type of biological cell. They constitute a large domain of prokaryotic…

Q: In the tree of life, which taxon does not belong to the Archaeplastida? O A. green algae B.…

A: Eukarya is classified into 6 supergroup . These supergroup are :-  I ) Excavata  II ) Chromalveolata…

Q: A lichen is a mutualistic symbiosis between O Amoebas and ciliates E. coli and insects O Algae and…

A: A lichen is a mutualistic symbiosis between Algae and fungi.

Q: What Kingdom to the cells pictured below belong to? O Archaea O Protista O Fungi O Animalia

A: Introduction: In the field of microbiology, the staining agent methylene blue, which is also known…

Q: This organism which belong yo Kingdom monera has a cell wall composed of peptidoglycan. O A)…

A: Hi! As you have posted multiple questions, we will be answering only the first question for you. If…

Q: Which of the following best describes protozoa? O protists that have some characteristics of animals…

A: Protozoa-Single-celled organisms like amoebas, which are the most primitive animal life type. In…

Q: Which lineage of microorganisms is most closely related to plants? (A) Archaea B) Bacteria Viruses…

A: Introduction A plant is a living organism similar to trees, shrubs, herbs, grasses, ferns, and…

Q: The first living cells on earth would most likely resemble whichof these?a. a cyanobacterium c. a…

A: The first living things on Earth must be simple and single-celled micro-organisms that lack a…

Q: Which of the following is correct regarding multicellularity? a) All protists are unicellular…

A: Multicellularity is a condition of an organism composed of more than one cell performing different…

Q: . What group(s) listed below have cell walls? Select all that applies. A. Algae   B. Mycoplasmas…

A: Cell wall It is the outermost covering around the cell. It maintains the shape of the cell and also…

Q: Fungi are (a) eukaryotes and opisthokonts (b) prokaryotes and opisthokonts (c) flagellate and…

A: Introduction :- Fungi are eukaryotic organisms that are non-vascular, non-motile, and heterotrophic.…

Q: The image below is an Amoeba, which characteristics CORRECTLY describes this protozoan? A. movement…

A: Answer- C. heterotrophic nutrition.

Q: ______are members of the phytoplankton . a. Water molds c. Diatoms b. Giant kelps d. Cellular slime…

A: The phytoplankton is too small to be seen individually with the naked eye. They are autotrophic…

Q: In the liver fluke, the cercaria infect ants after leaving a snail (instead of the typical…

A: Questions related to the invertebrates.

Archaeal cell structure

Bacteria and archaea are two different prokaryotic domains that, along with eukarya, make up the three domains of life. Archaeal organisms can be found all over the biosphere. Many genera are extremophiles, meaning they thrive in extreme environments such as extremely high temperatures, high salinity, or pH extremes. Bacterial and archaeal cells are characterized by the absence of a nucleus and membrane-bound organelles.