Q: Fossils suggest that the first major trait distinguishing human primates from other primates was…
A: Fossils are the remains of the ancient animals say bones or these are the impressions of plant or…
Q: explain how different types of development patterns (metamorphosis) in insects contribute to the…
A: Metamorphosis can be defined as the biological process by which an animal physically develops after…
Q: Identify the stage(s) of embryonic development in whichcross sections of all chordate embryos…
A: Embryology is the study of development and growth of fertilized egg(zygote) into mature embryo. The…
Q: Define Reptiles: Amniotic Egg ?
A: There are two types of eggs on the basis of amniotic membrane - amniotic and anamniotic eggs.…
Q: . Recognize the features that make placental mammalsunique.
A: Mammals are vertebrates that have mammary glands that produce milk for feeding their babies. Mammals…
Q: Which of the following characteristics evolved independently in mammals and birds? bone endothermy…
A: Mammals are a group of vertebrate animals constituting the class Mammalia and characterized by the…
Q: Why is embryogenesis important in reptile specially in snakes?
A: Importance of embryogenesis in reptiles especially in snakes.
Q: Identify the four derived characters that all chordates have at some point in their lifespan.…
A: A chordate is a phylum which contains vertebrates like mammals, birds and some fishes and also…
Q: describe the key adaptation that were associated with the transition from aquatic life to…
A: Adaptation is mechanism by which organism adjust themselves according to the need of environment…
Q: Describe structural and functional adaptations that appeared in early amniotes that foreshadowed the…
A: Amniotes include organisms, whose egg is covered by a membrane called amnion. Amnions include…
Q: During chordate evolution, what is the sequence (from earliest to most recent) in which the…
A: Answer. Deuterostomic: The anus of the digestive tract develops first in the embryo and the mouth is…
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: How do penguins differ from other marine birds?
A: Birds, belonging to the class Aves, are the warm-blooded vertebrates possessing feathers. They have…
Q: During the embryological development of chordates, the midline dorsal layer of ectoderm folds in on…
A: In humans (a chordate), by the end of the third week of gestation, three basic germ layers…
Q: The ribs form from the ________. a. notochord b. neural plate c. neural tube d. somites
A: The process by which cells of blastula get arranged to form germ layers is called gastrulation. The…
Q: During embryonic development, a neural crest would be found in all of the following chordates,…
A: Neural crest is a population of migratory cells which arise from the epithelial cells. It develops…
Q: Characteristics that evolved in birds to allow for flight includea. reptilian-like scales on the…
A: Bird anatomy has unique adaptations mainly in flight. These are light weighted organisms with very…
Q: Describe what is known about Neanderthals and about the otherrecently discovered members of our…
A: The phenomenon of the evolution of a population that leads to the formation of distinct species is…
Q: describe early development in amphibians, including the processes of cleavage, blastula formation,…
A: The egg of amphibians is huge and consists of two hemispheres: upper dark hemisphere called the…
Q: Discuss how humans, as chordates, possess all fourcharacteristics either as embryos or adults.
A: All the chordates posses the following diagnostic characters either in the embryonic or adult…
Q: In the frog embryo, convergent extension elongates the notochord. Explain how the words convergent…
A: The embryo is known to be the early stage of development of a “multicellular” organism. The…
Q: Explain how cephalization, jaw development, and paired limbs guided vertebrate evolution. Include…
A: Evolution is a slow process of changes in species on the genotypic and phenotypic level that leads…
Q: Define the traits of birds that are related to flight
A: To answer this question we must have the knowledge of animal physiology.
Q: Describe three adaptations that allow for flight in birds.
A: Birds belong to the class Aves of kingdom Animalia. They are bipedal feathered and warm-blooded…
Q: Compare reproduction among monotremes, marsupials, and placental mammals.
A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…
Q: Define the following terms with respect to mammalian development •Chormesodermal mantle •Somites…
A: Mammalian development It is defined as the process of division of cells and differentiation of cells…
Q: Describe three vertebrate adaptations to terrestrial life.
A: In the late Devonian era, the aquatic vertebrates are adapted to terrestrial vertebrates. This…
Q: Explain the evolutionary advantage of the amniotic egg
A: Amnion is a membrane which enclose the embryo after it's formed.Embryo is the initial stage of…
Q: Explain how larger Horns in the males of dung beetles could have evolved?
A: The dung bettles are the type of beetles that feed on the dung and the faeces. The male has a horn…
Q: Contrast the arboreal and cursorial hypotheses for the origin of flight in birds.
A: Evolution is a change in the “genetic composition” of a population over multiple generations. It is…
Q: What was Xu Xing's original hypothesis for how flight evolved in birds?
A: Birds are unique among terrestrial beings. They are the only class of animals that can fly. Though…
Q: having a post-anal tail and gill slits are traits of all embryos belonging to which phylum?
A: Pharyngeal slits are openings in the pharynx that develop into gill arches in the bony fish and into…
Q: Define the terms below in terms of mammalian development: Chormesodermal mantle Embryonic induction…
A:
Q: In protostomes and deuterostomes, the space between the endoderm and the ectoderm is important…
A: The space between the endoderm and the ectoderm is important in the evolution of protostomes and…
Q: Compare and contrast the development process of the starfish and the sea urchin.
A: Introduction:- Embryonic development: all the developmental processes from zygote to tissues and…
Q: Describe the traits unique to mammals.
A: There are a total of 5000 species of mammals and they come under the phylum Chordata, belonging to…
Q: Can the dorsal lip of the blastopore inducecells in another part of the amphibian embryoto change…
A: The dorsal lip of a blastopore is a structure formed during the early development of the embryo. The…
Q: Compare the general life-history patterns of salamanders with those of frogs. Which group shows a…
A: Frogs and salamanders come under the group of amphibians. They are cold-blooded animals and do not…
Q: mine which end is its head and which is its tail?
A: Mammalian embryogenesis can be defined as the process of cell division that involves cellular…
Q: Describe the process of neurological development in a vertebrate embryo. B. Compare and contrast…
A: CNS of a vertebrate originates from a longitudinal groove present on the neural plate that forms the…
Q: Compare the role of notochord in the early development of vertebrates and invertebrates.
A: introduction Animals lacking a skeletal system are known as invertebrates. As a result, the majority…
Q: Please be precise on this question. Describe how early developmental processes in Eutherian…
A: Eutherian mammals are a group of mammals that have a placenta. This means that the mother and baby…
Q: What is present on the feet of birds which provides more evidence for their evolution from reptiles…
A: Archaeopteryx lithographica is one of the first birds that is considered as the missing link between…
Q: Describe the evolution of mammals, tracing their synapsid lineage from early amniote ancestors to…
A: An animal that is characterized by the presence of mammary glands (mostly in females and sometimes…
Q: a) Which of the derived traits came into existence before the bony shell? Explain. b) List all the…
A: A cladogram is a diagram representing an evolutionary tree that gives direct information about the…
Q: Explain how an archenteron development varies in Amphibians versus in Avians.
A: Archenteron are the cells which develops into the digestive system of an animal. They form the…
Q: Which stage of chimpanzee development is most similar to adult Ardipithecus ramidus? To adult…
A: Introduction :- Evolution is defined as the descent with modifications and it is a never ending or a…
Describe how early developmental processes in Eutherian mammals are different from those of other vertebrates.
Step by step
Solved in 3 steps
- Please be precise on this question. Describe how early developmental processes in Eutherian mammals are different from those of other vertebrates.With an help of properly illustrated drawings, explain the difference in the development of blastocoels in birds and Eutherian mammals.Compare the role of notochord in the early development of vertebrates and invertebrates.
- Contrast the development of young in fish and amphibians.Describe how paedomorphosis as a mechanism could explain the evolution of the chordate body plan (from echinoderm larval form to a craniate form).Describe structural and functional adaptations that appeared in early amniotes that foreshadowed the mammalian body plan. Which mammalian attributes do you think were especially important to successful diversification of mammals?
- Which of the following is a synapomorphy for mammals? a)Lactation b)Limbs c)Circulatory system d)Amniotic egg. Recognize the features that make placental mammalsunique.In mammals, distinguish and differentiate the following germinal layers. Identify the organs that will arise from each of them: 1. Endoderm 2. Mesoderm 3. Ectoderm
- Describe the phases of embryonic development in a chordate. Recognize the difference between a blastula and gastrula.Determine in detail about four extraembryonic membranes of amniotic eggs of birds as well as other reptiles and to explain their functions.Why is embryogenesis important in reptile specially in snakes?