Question: Animals that have the four basic characteristics of chordates plus a vertebral column are invert…
Show transcribed image text Animals that have the four basic characteristics of chordates plus a vertebral column are invertebrates. hemichordates. cephalochordates. vertebrates. The ammocoete is the larva of lampreys. sharks. bony fishes. amphibians. Placoid scales are characteristic of class Cephalaspidomorphi. Chondrichthyes. Osteichthyes. Reptilia. The bony movable flap that covers the gills and gill slits is called the operculum. cranium. tympanum. colon. Which group of animals is endothermic? fishes mammals reptiles amphibians The bones that surround and protect the brain are collectively called the spinal cord. vertebral column. pelvic girdle cranium. The lampreys are unusual vertebrates in that they have no eyes. jaws. gill slits. mouth. The structure of the cartilaginous and bony fishes that detects vibrations in the water is the anal fin. operculum. nostrils. lateral line. Amphibians have a two-chambered heart. a three-chambered heart. a four-chambered heart. none of the above The amniotic egg of reptiles, birds, and mammals is an adaptation to thwart carnivorous predators. allow life on land. compensate for the short period of development of the young. protect the young from the nitrogenous wastes of the mother during embryonic development.
Animals that have the four basic characteristics of chordates plus a vertebral column are invertebrates. hemichordates. cephalochordates. vertebrates. The ammocoete is the larva of lampreys. sharks. bony fishes. amphibians. Placoid scales are characteristic of class Cephalaspidomorphi. Chondrichthyes. Osteichthyes. Reptilia. The bony movable flap that covers the gills and gill slits is called the operculum. cranium. tympanum. colon. Which group of animals is endothermic? fishes mammals reptiles amphibians The bones that surround and protect the brain are collectively called the spinal cord. vertebral column. pelvic girdle cranium. The lampreys are unusual vertebrates in that they have no eyes. jaws. gill slits. mouth. The structure of the cartilaginous and bony fishes that detects vibrations in the water is the anal fin. operculum. nostrils. lateral line. Amphibians have a two-chambered heart. a three-chambered heart. a four-chambered heart. none of the above The amniotic egg of reptiles, birds, and mammals is an adaptation to thwart carnivorous predators. allow life on land. compensate for the short period of development of the young. protect the young from the nitrogenous wastes of the mother during embryonic development.
