Animalia

The animals are classified into ten groups based on the body design, germinal layers, presence of notochord, etc. The ten groups are: Porifera Coelenterata Platyhelminthes Nematoda Annelida Arthropoda Mollusca Echinodermata Protochordata Vertebrata Porifera: They are non-motile animals They have holes or pores all over their bodies Pores help in circulating water throughout the body TheirContinue reading “Animalia”

Ch – 7 Diversity In Living Organisms (Part 2)

Q.1: The body of animals in ______________ group, is bilaterally symmetrical, meaning that the left and right halves of the body have the same design. a) Coelenterata b) Porifera c) Platyhelminthes Q.2: ____________ means organisms with holes. a) Coelenterata b) Porifera c) Platyhelminthes Q.3: Which of the following statements represent the characteristics of Porifera ?Continue reading “Ch – 7 Diversity In Living Organisms (Part 2)”

Ch – 7 Diversity in Living Organisms (Part 1)

Q.1: Which of the following regions is known as “The region of megadiversity” ? a) Region between Tropic of Capricorn and South Pole b) Region between Temperate Zones. c) Region between Tropic of Cancer and Tropic of Capricorn Q.2: The idea of evolution was described by Charles Darwin in his book ________________ in 1859. a)Continue reading “Ch – 7 Diversity in Living Organisms (Part 1)”