prey capturing se have surface cells called choanocytes that contain 17. Cridari
ID: 271008 • Letter: P
Question
prey capturing se have surface cells called choanocytes that contain 17. Cridarians etings of the endoderm ot as nematorycts 18. The coelom of most deuterostomes 19. Torsion is a unique characteristic of 21. Sessile animals are often filter feeders f known develops from outpodk the gut all mollusks. 20 Fishes may rely on their lungs for buoyacy 22. Fruits are expanded anthers 28. During double fertilization, one sperm nucleus unites 24, Coenocytic fungi have many nuclel in one extensive cytoplasm 2s. Segmentation allowed the development of specialized appendages e mother cell. with the micropspor 26. Animals that have nerves always have brains. 27. Molusks have closed circulatory systems 28. You could kill a starfish by cutting off its arms 29. Reptiles never have gill slits 30. The heart of an adult amphibian has three chambers 31. Phloem transports organic nutrients from leaves to roots 32. Sieve tube members are found in xylem 33. Trachelds are a type of cell in phloem 34. Xylem transports water from roots to leaves 35. Sponges have three tissue layers 36. Most higher plants have a minute diploid phase. 37. Many fungi depend on plants for mineral absorption. 38. If a lichen were sprayed with a chemical that blocked photosynthesis, it would probably die. 39. The insects include more species than any other group 40. Poikilotherms are unable to produce body heat. 41. Leaves are broad and thin to minimize their absorption of oxygen. 42. Water can hold more oxygen than air can. 43. Book lungs are found in crustaceans and mollusks, while external feathery gills are found in arachinids. 44. Saprobes parasitize plants. 45. In coelomates, but not in pseudocoelomates, a peritoneum completely lines the coelomic cavity 46. Trypanosomes possess a kinetoplast ( a mass of mitochondrial DNA close to the nucleus) 47. Psychrophiles live in extremely hot conditions9Above 100°c 48. Spirogyra is a plant protist 49. Shigella spp is a bacteria that causes dysentery 50. Anthrax is a bacteria that can be used in terrorism.Explanation / Answer
Answer:
17.
Choanocytes are found in sponges not in cnidarians.
Hence,statement is false.
18.
The coelome of most deuterostomes develops fromoutpocketing of mesoderm not endoderm.
Hence, statement is false.
19.
Tosion is unique feature of molluscs.
Hence, statement is true.
20.
Fish may rely on bladder not lungs for buoyancy.
Hence, statement is false.
21.
Sessile animala are often filter feeder.
Hence, statement is true.
22.
Fruits are expanded ovary not anthers.
Hence, statement is false.
23.
During double fertilization ,sperm does not unites with microspore mother cell.
Hence, statement is false.
24.
coanocytic fungi have many nuclei in expanded cytoplasm.
Hence, statement is true.
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