WebThe four defining characteristics of chordates are A. segmentation, a dorsal hollow nerve cord, pharyngeal pouches, and an amniotic egg. B. a dorsal hollow nerve cord, a notochord, bilateral symmetry, and mammary glands. C. bilateral symmetry, segmentation, a well-developed coelom, and limbs. WebMar 5, 2024 · Summary. Therian mammals are viviparous. They give birth to an embryo or infant rather than laying eggs. The female reproductive system of a therian mammal includes a uterus and a vagina.; There are two groups of therian mammals: placental mammals and marsupials.; Placental mammals give birth to a relatively large and …
What are the Characteristics of Egg Laying Mammals
Web5 mammals that lay eggs. 1. Duck-billed Platypus. image: Alan Couch Flickr CC 2.0. 2. Short-beaked echidna. 3. Sir David’s long-beaked echidna. 4. Western long-beaked echidna. 5. Eastern long-beaked echidna. People often use the common names buffalo and bison interchangeably … Thanks for checking out our about page! On wildlifeinformer.com we discuss … California is filled with a wide array of scenery, from rural mountains to coastal … 4 Types of Marine Mammals With 16 Examples. by Samantha S. Many … The lionfish, scientifically named Pterois, is a unique fish native to the South Pacific … The genus Nerodia, known as water snakes, inhabits various locations … Bearded dragons make great pets for people looking into getting their first … There are many duck species found in Texas, including dabbling ducks, diving … The lionfish, scientifically named Pterois, is a unique fish native to the South Pacific … Wild animals can be attracted to homeowners’ yards for a number of … crystal money purse
Bio 41 Exam #2 Flashcards Quizlet
WebApr 14, 2024 · Egg-Laying Mammals are Different From Other Mammals in Several Fascinating Ways In addition to laying eggs, monotremes have other characteristics … WebThe eggs layed by monotremes are small (13 to 15 mm diameter) and covered by a leathery shell. The number of eggs laid is small, usually 1 to 3, and they are placed in the … WebThe development of an enclosed egg in which the embryo develops within protective membranes and fluid _____ are egg laying mammals. A _____ is a mammal in which offspring complete development in a pouch on the mother's body. Monotremes marsupial Which of the following best describes a ray-finned fish? a bony fish with fins derived from … dxcheck amount of log ins