Dinoflaggelates signaling in an ocean: [ Select ] ["single-celled organisms communication mechanism for a common goal", "adjacent cell-to-cell communication in multicellular animals", "adjacent cell-to-cell communication in multicellular plants", "long-distance communication in multicellular animals"]
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The given statements describe a group of organisms. RE (i) Instead of a cell wall they have a protein rich pelicle making their body flexible. (ii) They have 2 flagella, a short and a long one. (iii) They show mixotrophic nutrition. (iv) They are connecting link between- plants and animale. Which of the following group is referred here? (a) Dinoflagellates (b) Slime moulds (c) Desmids and diatoms
Epinephrine / glycogen phosphorylase activation Refer to the table below showing the observed characteristics of four species of algae. Species Characteristic 1 Specialization of some cells within the cluster 2 Organization of specialized cells into groups (tissues) 3 Aggregation of cells into a cluster 4 Intercellular communication within the cluster Which sequence of characteristics is consistent with the current thinking about the evolution of multicellularity?
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Mostly marine, photosynthetic and biflagellate organisms are (a) Diatoms (b) Desmids (c) Dinoflagellates (d) Euglenoids
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