Of the several vertebrate brains illustrated, which has (proportionately) the largest optic tectum?

Q: What do you notice about the eyes of new world monkeys? Are they active during the day or night?

A: New World monkeys, a diverse group of primates found in Central and South America, are known for…

Q: Consider the audibility curves in the graph above. Suppose all animals listed in the graph are…

A: So, the correct statements appear to be: C. A sound of 10,000 Hz would need greater amplitude than…

Q: How are otoliths adaptive for burrowing mammals, suchas the star-nosed mole?

A: Otoliths are bone like structure present in the inner ear of the vertebrates used for providing…

Q: Which statement is correct about the brain of bilingual and multilinguals?

A: The statements about the brain of bilingual and multilingual which hold true are as follows:- The…

Q: Give the function of lateral line system?

A: Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates include…

Q: Aside from outer pinna, what structures do mammals have in their ears that reptiles and birds do…

A: * pinna  is absent in many mammals and  this organ acts as a heat dissipator but not involved in…

Q: Describe three possible selective factors underlying theevolution of large brains in our ancestors

A: The most complicated part of the body is the brain which is a three-pound organ. It will help to…

Q: How has the placement of the organs changed when comparing the pig to the shark?

A: The placement of organs in pigs and sharks differs because they have evolved to meet the specific…

Q: A radially symmetrical animal such as Hydra is likely to have (a) a forebrain (b) a nerve net (c)…

A: Kingdom Animalia is a diverse group of organisms, including organisms ranging from simple non-motile…

Q: Would a bee be able to waggle in outer space? Why or why not? If yes, how might the waggle differ?

A: Waggle dance is defined as a form of dance which is performed by the worker bees, when they discover…

Q: Give the differences between the retina of frog and that of shark ?

A: The synaptic connections of plexiform coating of the Rana tigrina retina have been recognized and…

Q: Brainstem-Controls breathing and heart rate Test 1: Whole Brains (not to scale) Mouse Cat Baboon…

A: Cerebellum is the part which is located at the back of brain underlying the occipital and temporal…

Q: The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the(a)…

A: Eye is the chief organ of the visual system. In most mammals they are paired structures and are oval…

Q: Mention the benefits of an animal having a third eyelid.

A: The 'third eyelid', also known as the nictitans or nictitating membrane, is an additional eyelid…

Q: Scientists studying orangutans on the Indonesian islands of Borneo and Sumatra recently found that…

A: Primates include eutherian mammals that are terrestrial mammals. They have larger brains, visual…

Q: Which sense do Lemurs rely on that monkeys do not? How many species of lemurs live on Madagascar?…

A: Lemurs are primates belong to superfamily Lemuroidea.

Q: Jacobson's organ is concerned with- (A) Smell (B) Burrowing (C) Touch (D) Vision

A: Introduction - The olfactory system refers to the biological structures that aid in the perception…

Q: What is the difference between analogous and homologous organs?

A: Introduction In this question we will write the difference between analogus and homologous organs.

Q: How have sensory systems evolved in predators and prey?

A: Ecology is the study of the relationships between living organisms, including humans, and their…

Q: Write short note on (a) Hindbrain (b) Retina (c) Ear ossicles

A: The human brain is the central organ of the human nervous system, and with the spinal cord makes up…

Q: Why do so many animals have two eyes?

A: The eyes are the special sense organs that detect light.

Q: Which part would you expect to be larger in the sensory homunculus than the motor homunculus? Hands…

A: The sensory homunculus and motor homunculus are visual representations in the brain, illustrating…

Q: What is the most sclerotized insect head? Why?

A: Sclerotin is a yellowish-brown chemical substance present in the cuticle of arthropods. It is…

Q: encloses

A: The nervous system is a complex system in the human body that stimulates, receives, coordinates, and…

Q: Describe the sound-producing organ of pigeon?

A: The sound of pigeon( and many other birds) comes from a mysterious organ that is buried deep within…

Q: Name one way the non-human primate brain differs from the human brain.

A: Brain is made up of billions of neurons and consists of many regulatory centers of our body such as…

Q: For each of the following, match the pattern with its description. Not all terms will be used.…

A: Convergent evolution refers to the process in which unrelated or distantly related organisms…

Q: How many semicircular ducts are found in the ear of Petromyzon, Scoliodon, Rana?

A: Semicircular canals are the interconnected tubes present in the inner ear of an organism. The number…

Q: Compare and contrast the sense of taste and sense of hearing in fish to humans.

A: Sense organ- The organism senses something from the sensory organs(Eye, nose, ear, skin, and…

Q: How does the anatomy of a cat (Felis catus) reflect humans shared ancestry with dogfish sharks?…

A: Comparative anatomy to study organ systems of many species helps to determine the relatedness of…

Q: Discuss the evolution of the vertebrate eye.

A: The eyes are the most important organ of visual system and are present in all the vertebrates. These…

Q: Describe how a sound pressure wave that arrives at a vertebrate tympanic membrane is converted…

A: The question is related to the mechanism of hearing so while solving we should know about the…

Q: Explain echolocation in bats.

A: Scientifically termed  Chiroptera (derived from the Greek word meaning "hand wing") bats are the…

Q: From an evolutionary standpoint, can you think of reasons why some animals' eyes consist entirely of…

A: Introduction  Photoreceptors are rods and cones. At greater light levels, cones become active,…

Q: How do invertebrates perform proprioception?

A: Sense of body position and self-movement is called Proprioception. This is also referred to as…

Q: What is animal cognition in action?

A: Behavior is the scope of activities and mannerism made by people, organic entities, frameworks or…