Mollusc - Study guides, Class notes & Summaries

NCERT Class 12 CHAPTER 9 EXAM QUESTIONS & ANSWERS 2024/2025 fish shell fish(mollusc) crustaceans - ANSWERSfisheries include rearing, catching, selling etc.. of fowl(birds) - ANSWERSpoultry farming deals with domestication in-breeding out-breeding - ANSWERS2 types of breeding a cow/buffalo which produces more milk per lactation - ANSWERSSuitable Female for breeding cattle a bull which produces superior progeny - ANSWERSSuitable male for breeding cattle outbreeding - ANSWERS...

. The two largest groups of marine reptiles are the ( ) and ( ) . - marine turtles, sea snakes ( ) are Herbivorous marine mammals related to elephants - dugongs • More people are attacked and killed by saltwater crocodiles than sharks - true 5. Unlike other marine mammals, sea otters lack ( ) and rely on their rich fur for insulation. - blubber A great drop in atmospheric ozone levels, thought to be caused by CFCs, currently occurs over Antarctica. - true A much greater diversity of f...

IGCSE Biology CIE 2024 What is the order of classification? - ANSWER-Kingdom Phylum Class Order Family Genus Species Name the types of vertebrates and how to identify them. - ANSWER-Fish - scales, fins and gills Amphibian - moist skin, no teeth Reptile - dry scales, leathery shells Bird - feathers, beak Mammal - fur, mammary glands Name the types of invertebrates and how to identify them. - ANSWER-Mollusc - hard shell, no jointed limbs or segments Arthropod - segments, jointed li...

AICE Cambridge Marine Science 1 Questions and Answers 100% Pass Ecosystem - Correct Answer ️️ --Living organisms and the physical and chemical factors which influence them(both biotic and abiotic components). - Example: A rocky shore, including the organisms living there, linked together by flows of energy forming a food web, and their environment. Habitat - Correct Answer ️️ --Place where organisms live -Example: the area surrounding a hydrothermal vent provides a habitat for spe...

What is the working definition of an animal? - Animals are multicellular eukaryotes that are heterotrophic and undergo a blastula stage Two problems associated with morphological classification? - 1. Convergent evolution 2. Minor mutations Why was the organism found in the 90s labelled as a bivalve mollusc? - Because it was consuming bivalve eggs and had traces of their DNA in its gut. What are some problems with molecular sequencing? - 1. Differences in mitochondrial and nuclear DNA ...

AICE Cambridge Marine Science 1 Questions and Answers 100% Pass Ecosystem - Correct Answer ️️ --Living organisms and the physical and chemical factors which influence them(both biotic and abiotic components). - Example: A rocky shore, including the organisms living there, linked together by flows of energy forming a food web, and their environment. Habitat - Correct Answer ️️ --Place where organisms live -Example: the area surrounding a hydrothermal vent provides a habitat for spe...

AICE Cambridge Marine Science 1 Questions and Answers 100% Pass Ecosystem - Correct Answer ️️ --Living organisms and the physical and chemical factors which influence them(both biotic and abiotic components). - Example: A rocky shore, including the organisms living there, linked together by flows of energy forming a food web, and their environment. Habitat - Correct Answer ️️ --Place where organisms live -Example: the area surrounding a hydrothermal vent provides a habitat for spe...

Marine Biology Latest Update Graded A Sponge Porifera Jellyfish Cnidarian Sea Anemone Where Nemo lives Coral Polyps Start of a coral reef. Nudibranch A shell-less sea snail. Mussels A mollusc with two shells. Squid A mollusc with eight arms and two long tentacles. Cuttlefish Its internal skeleton is the familiar cuttlebone. Sea Star Echinoderm Sea Urchin A marine echinoderm having a spherical or flattened shell covered in mobile spines. Sea Cucumber an echinoderm which has a th...

IGCSE BIOLOGY CIE EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is the order of classification? Correct Answer: Kingdom Phylum Class Order Family Genus Species Name the types of vertebrates and how to identify them. Correct Answer: Fish - scales, fins and gills Amphibian - moist skin, no teeth Reptile - dry scales, leathery shells Bird - feathers, beak Mammal - fur, mammary glands Name the types of invertebrates and how to identify them. 2 Correct An...

What is the working definition of an animal? - Animals are multicellular eukaryotes that are heterotrophic and undergo a blastula stage Two problems associated with morphological classification? - 1. Convergent evolution 2. Minor mutations Why was the organism found in the 90s labelled as a bivalve mollusc? - Because it was consuming bivalve eggs and had traces of their DNA in its gut. What are some problems with molecular sequencing? - 1. Differences in mitochondrial and nuclear DNA ...