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प्रश्न
Species is the ______ unit of classification.
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उत्तर
Species is the Basic unit of classification.
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संबंधित प्रश्न
Distinguish between intracellular and extracellular digestion.
Write in brief about progressive changes in animal classification.
Complete the following chart.
| Body cavity | Germ Layer | Phylum |
| Absent | ______ | Porifera |
| Absent | Triploblastic | ______ |
| Pseudocoelom | ______ | Aschelminthes |
| Present | ______ | Arthropoda |
Label the body organization of human in the following figure:

What are flame cells?
______ is a fluid-filled body cavity.
Which organism is called Friends of farmers? Why?
In which of the following the notochord is present only in embryonic stages?
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
Complete the paragraph using proper words:
(Asymmetrical, Paramecium, Equal, imaginary, central, insects, rats, bird, three, unequal)
If body of any animal is cut through ______ axis of body, it may or may not produce two equal halves. Depending upon this property, there are different types of animal bodies. In the case of ______ body, there is no any such imaginary axis of the body through which we can get two equal halves. For example Amoeba, ______ some sponges. In radial symmetry type of body, if imaginary cut passes through central axis but any plane of body, it gives two ______ halves. For example Starfish. In case of this animal, there are five different planes passing through ______ axis of body through which we can get two equal halves. In Bilateral symmetry type of body, there is only one such imaginary axis of body through which we can get two equal halves. For example: ______ fishes, frog, birds, human, etc.
