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- Animals with bilateral symmetry can be divided into similar halves by any plane through the longitudinal axis. are usually very slow-moving organisms. are relatively simple in structure. are better adapted for forward movement than radially symmetrical organisms.Humans are members of the phylum chordata. As such they have a notochord. The notochord in humans; Can be found next to their spinal chord Has been lost to evolution entirely and is no longer a part of the human life cycle Becomes part of the brain stem Is an embryological feature which is mostly absorbed by the backboneWhich of the following is NOT a characteristic of all birds? They maintain a constant internal body temperature. They can fly. They have 2 legs. They have an outer covering of feathers.
- Figure 27.9 Which of the following statements about diploblasts and triploblasts is false? Animals that display radial symmetry are diploblasts. Animals that display bilateral symmetry are triploblasts. The endoderm gives rise to the lining of the digestive tract and the respiratory tract. The mesoderm gives rise to the central nervous system.Animals must maintain temperature and water balance. The state of maintaining a constant or regular internal environment is called: an adaptation. homeostasis. a trade-off. acclimitization.Mollusks, a diverse group of animals, exhibit a range of unique characteristics. Which of the following are traits of octopuses, a member of the mollusk phylum? Intelligence Ability to change color Presence of a shell Segmented body A large nervous system that extends into their tentacles
- All of the following are traits of vertebrate species, EXCEPT: The presence of a dorsal nerve cord. The presence of gill slits. The presence of a notochord. The absence of a backbone. The presence of a muscular tail exiting beyond the anus. All of the answers are traits of vertebrate species.The phylum Chordata only contains vertebrate species. Question 4 options: True False Which of the following is NOT true about reptiles and birds? Question 16 options: Reptiles are cold-blooded, whereas birds are warm blooded. Both reptiles and birds live exclusively on land. Both reptiles and birds lay eggs. Both reptiles and birds breath through lungs. In addition to a spinal column, what key feature distinguishes members of Vertebrata from Chordata? Question 21 options: Quadripedal Locomotion Hardened Endoskeleton The Notochord Body Hair The two main groups of vertebrates include: Question 19 options: Non-Bird Reptiles/Birds and Mammals Mammals and Amphibians Monotremes and Marsupials Fish and TetrapodsAmong the tetrapods, reptiles evolved a key adaptation that allowed them to become fully independent of water for reproduction when they diverged from amphibians. What was this adaptation? The development of lungs for breathing air. The development of amniotic eggs. The development of warm-bloodedness. The development of scales. The development of legs to walk on land.
- Which of the following is not a characteristic of all animals? Answers: They are multicellular eukaryotes. They ingest and digest food. They are mobile at some point in their life. They reproduce sexually. They have a coelom. Please explain which one is correct.Which of the following not only increases surface area for nutrient absorption, but also slows down passage of food through the digestive system to allow for a longer time for absorption? the glomerulus the endostyle the amphibian typhlosole the spiral valve the columella O the pneumatic ductInsects display an incredible diversity of body forms and ecological roles. Some insects undergo complete metamorphosis, a lifecycle involving distinct larval, pupal, and adult stages. How might this lifecycle contribute to the success and diversity of these insects? It allows the larval and adult stages to exploit different resources or habitats. It allows the insects to reproduce more rapidly. It provides a defense against predators. It allows the insects to migrate long distances.