Description : In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms. Explain the reason for this difference. -Biology
Last Answer : Unicellular organisms can absorb sufficient oxygen because of its complete contact with the atmosphere, but in multicellular organisms the rate of absorption and diffusion becomes very less because all ... of oxygen to sustain life processes which cannot be fulfilled by the process of diffusion.
Description : After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?
Last Answer : mitosis and diffrentiation
Description : What is the evidence that the first life on earth was simple, single-celled organisms?
Last Answer : microfossils
Description : How do single celled organisms exchange genetic material?
Last Answer : http://paleobiology.si.edu/geotime/main/foundation_life2.html does this help??
Description : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic cells are also called "stem cells"
Last Answer : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic ... D. If both As and R are wrong.
Description : The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challen
Last Answer : The process by which organisms with different evolutionary history evolve similar phenotypic ... Convergent evolution D. Non-random evolution
Description : Evolutionary history of a group of organisms is called `:`
Last Answer : Evolutionary history of a group of organisms is called `:` A. Phylogeny B. Ancestry C. Palaeontology D. Ontogeny
Description : The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called (a) non-random evolution (b) adaptive radiation (c) natural selection (d) convergent evolution.
Last Answer : (d) convergent evolution
Description : Biosystematics aims at (a) the classification of organisms based on broad morphological characters (b) delimiting various taxa of organisms and establishing their relationships (c) the ... (d) identification and arrangement of organisms on the basis of their cytological characteristics.
Last Answer : (b) delimiting various taxa of organisms and establishing their relationships
Description : what Unicellular organisms are made up of only one cell. Multicellular organisms are made up of more than one cell. Which life functions can be performed by both unicellular and multicellular organisms?
Last Answer : yoooo idknow im asking
Description : Multicellular organisms have division of labour. Explain. -Biology
Last Answer : answer:
Description : Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?
Last Answer : In multicellular organisms there are millions of cells. Each specialised function is taken up by a different group of cells called tissue. Or Group of cells, forming a tissue are capable of ... water from one part of the plant to other parts. So, multicellular organisms show division of labour
Description : All multi-celled organisms have 2,000 cells?
Last Answer : FALSE
Description : Which of the following is not amongst the evolutionary line of mammals?
Last Answer : Which of the following is not amongst the evolutionary line of mammals? A. Therapsids B. Pelycoasurs C. Synapsids D. Sauropsids
Description : 2. What is the utility of tissues in multicellular organisms? -Science
Last Answer : The use of tissues in multicellular organisms is to provide structural and mechanical strength as well as to allow division of labour.
Description : A Give one reason why multicellular organisms require special organs for exchange of gases between their body and their environment. : -Biology
Last Answer : In unicellular organisms the entire body of the organism is in contact with the environment hence exchange of materials can take place but, in multicellular organisms the entire body of the organism is not in contact with the environment and hence simple diffusion is not helpful.
Description : $ The zyhote developes into a multicellular organisms. ! Each cell is totipotent.
Last Answer : $ The zyhote developes into a multicellular organisms. ! Each cell is totipotent. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : In multicellular organisms groups of cells that work together are called?
Last Answer : Need answer
Description : What is the First multicellular organisms?
Description : In multicellular organisms, there are different kinds of cells that are organized into tissues and organs to perform special functions. What is the function of a skin cell?
Last Answer : to protect the body from foreign substances
Description : What are the levels of organization in multicellular organisms?
Last Answer : 1. cells 2. tissues 3. organs 4. organ systems
Description : The cell division that brings growth in multicellular organisms is known a............. ?
Last Answer : Mitosis
Description : The study of homologous structures in mature organism provides evidence for the evolutionary relationships among certain groups of organisms. Which fi
Last Answer : The study of homologous structures in mature organism provides evidence for the evolutionary ... Biochemistry C. Geology D. Comparative anatomy
Description : $ Classification based on the evolutionary relationships among the organisms is called phylogenetic classification. ! According to Binomila Nomenclatu
Last Answer : $ Classification based on the evolutionary relationships among the organisms is called phylogenetic classification. ! ... If both As and R are wrong.
Description : Evolutionary relationships between groups of organisms are determined using which of Thefollowing type of information? A- Comparisons of nucleotide sequences B- .Comparisons of biochemical pathways C- Comparisons of structural features D- All of the above
Last Answer : All of the above
Description : 7. Links between organisms that show branching pattern of evolutionary relationships are shown by_____. a) living fossils b) comparative embryology c) phylogenetic trees d) two fossil layers
Last Answer : c) phylogenetic trees
Description : single - celled eukaryotes are included in
Last Answer : single - celled eukaryotes are included in A. Portista B. fungi C. Archaea D. Monera
Description : Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in protein, minerals and vitamins. (b)
Last Answer : Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in ... d C. b,c and d D. a and b
Description : What is the difference between a single celled creature and a multi-celled creature?
Description : Are arachnids single or multi celled?
Last Answer : Is a arachnids a single or multi celled
Description : In what ways if any does a single celled organism differ from its parent?
Last Answer : In what ways, if any, does a single-celled organism differ from its parents?
Description : What pathogen is a single celled microorganism?
Last Answer : What is the answer ?
Description : Are arachnids multi celled or single celled?
Description : Is a volvox multi celled or single celled?
Description : Are amoeba single celled or multi celled?
Description : Are night crawlers single-celled or multi-celled?
Last Answer : They are multi-cellular.
Description : Is an insect single celled?
Last Answer : No.
Description : What is Yeast that makes bread rise is a type of single celled?
Description : The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) ..................... ... formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization
Last Answer : Ans. ((c))
Description : The biggest single-celled organism is – (1) Yeast (2) Acetabularia (3) Acetobacter (4) Amoeba
Last Answer : (4) Amoeba Explanation: Researchers, in October 2011, found "giant amoebas" (Xenophyophores) beneath the surface of the Pacific in the Mariana Trench. At more than four inches in length, they are the largest single-celled organism on Earth. They are found exclusively in the deep sea.
Description : Single-celled eukaryotes are included in (a) protista (b) fungi (c) archaea (d) monera.
Last Answer : (a) protista
Description : Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista
Last Answer : d. Protista
Description : Single celled laticifers are called as
Last Answer : Single celled laticifers are called as – Non-articulated laticifer
Description : The biggest single-celled organism is (1) Yeast (2) Acetabularia (3) Acetobacter (4) Amoeba
Last Answer : Amoeba
Description : The Correct Statements with reference to single called organisms are (i) Complex substances are not broken down in to simpler substances. (ii) Simple diffusion is sufficient to meet the requirement of exchange of gases. (iii) Specialized ... b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iv)
Last Answer : Answer: (c)
Description : is plankton single cell or multicellular?
Last Answer : is plankton single celled or multicellular
Description : Capability of an isolated single cell to multiply and differentiate into multicellular organism
Last Answer : Ans. Totipotency
Description : Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene
Last Answer : Ans:(a)
Description : The evolutionary history of an organism is known as
Last Answer : The evolutionary history of an organism is known as A. Ontogeny B. Phylogeny C. Ancestry D. Paleontology