Compared to eutherians, marsupial placentas are more highly developed. o marsupial nipples are smaller and nonfunctional. faces are flattter. marsupial fetuses are less developed when they are born.

Q: Describe three notable characteristics common to most reptiles. Think about diet, dentition, limbs,…

A: The first characteristic to consider is the diet and dentition of reptiles. Most reptiles are…

Q: Monotremes all have what unifying feature? Arthropod-like pincers Placenta Ventral pouch Ability to…

A: Mammals belonging to the order Monotremata are known as monotremes. The Monotremata are the oldest…

Q: Comparing and contrasting biological traits between each group: 1. Buoyancy between cartilaginous…

A: In this question, we have to write the difference between 1. Buoyancy between cartilaginous fishes…

Q: What does metamorphosis mean

A: Metamorphosis involves the reactivation of the genes allowing the cells to change from one type to…

Q: Why is there a shorter lactation period in eutherians compared to marsupials?

A: Marsupials are the animals that are born immaturely and are carried by their mothers in their…

Q: During embryonic development, which type of cleavage pattern leads to the development of a bird?…

A: In developmental biology, embryonic development, also referred to as embryogenesis, is that the…

Q: Scales of modern teleosts differ from the ancestral state in that they _____.     are thicker and…

A: They are the members of actinopterygians.  They are marked by the body rays on their fins.…

Q: QUESTION 11 What is the most probable primitive condition for all mammals (node B)? Claws O Nails…

A: Marsupials include all the groups of mammals under metatherians that nourish the young one inside…

Q: what structure is the pointer pointing to? O Notochord what germ tissues are those structutres made…

A: There are different types of body structures, each specified for a particular function. These…

Q: previously undiscovered sea creature that appears to represent a new phyla. It happens to have…

A: The mouth develops first, and it goes through several larval stages in which it molts and regrows…

Q: Sea stars who are echinoderms exhibit; Spiral cleavage Radial Cleavage No distinct cleavage

A: Cleavage is a particular stereotyped pattern of cleavage present in early mitotic division which…

Q: Which of the following are documented effects of Hox genes? Choose all that apply.  Group of answer…

A: Hox Genes are the homeotic genes which regulates the development of the specific body organs,…

Q: Cnidarians development will continue to include the stage. --- Gastrula Zygote Blastula Gamete

A: Cnidarians are also commonly known as coelenterates. They are a phylum under Kingdom Animalia that…

Q: Why is the evolution of the amniotic egg significant? Embryos are protected from predators.…

A: An amniotic egg is an egg which is terrestrially adapted egg and encased by a shell and…

Q: The only primates with prehensile tails are New World Monkeys. True or False

A: New world monkeys are called Platyrrhini. New world monkeys diverged from old world monkeys…

Q: For which of the following pairs is having nails most likely to be a homologous resemblance (one…

A: A cladogram is a cladistics diagram that depicts relationships between species. A cladogram, on the…

Q: SO you wish to be a chordate do you? Which of the following are not essential to that distinction? O…

A:

Q: Amphibians O All of the above Usually hatch in a less developed larval form O Migrate south to…

A: Amphibia is a class of vertebrates which spend some part of their life cycle on land and remaining…

Q: Did the arthropod body plan resultfrom new Hox genes?

A: Step 1 An arthropod is a phylum of triploblastic, haemocoelomic, segmented invertebrates having the…

Q: Is fecundation in mammalsinternal or external?

A: Fecundation, also known as fertilization involves the physical union of the male and female gamete…

Q: ater and begai ng the land, there were plenty of advantages in doing so:. reduced competition,…

A: When the earth was going through a cooling process, the aquatic animals were only lived. But, after…

Q: What type of parental care would you predict for Velociraptor or Triceratops? Is there evidence of…

A: Parental care is a specialized type of evolutionary and behavioural strategy which is exhibited by…

Q: Having opposable thumbs/toes is a generalized trait in primates.  True False

A: Opposable thumbs/toes are a derived trait that appeared in the earliest primates about 55 million…

Q: what ways were Neandertals and Anatomically Modern Humans (AMH) different (select all that apply)?…

A: Neanderthals and anatimically modern humans belong to the same genus (Homo). Neanderthal features…

Q: Which is NOT a characteristic of all chordates Group of answer choices phalangeal slits post-anal…

A: A chordate is a member of the Chordata phylum. At some point during their larval or maturity stages,…

Q: From the tree below, what can be inferred about the relationship between placentals, marsupials, and…

A: The wrong choices for the answer will be, these groups have not evolved any differences from each…

Q: All the following are general anatomical similarities for MOST primates, EXCEPT: Opposable thumbs…

A: The answer is option 1. opposable thumbs.

Q: What do you think accounts for the differences you observed in the skulls and teeth of the hominoids

A: The differences observed in the skulls and teeth of hominoids, which include humans and their…

Q: Both monotremes and marsupials lay eggs. have some embryonic development outside the uterus. are…

A: Introduction :- Mammals are divided into three types :- Monotremes , marsupials and mammals etc. The…