Have the head fold and tail fold fused to form the amniotic cavity?

Q: Discuss the process of gastrulation and embryonic folding?

A: Gastrulation is the process of cell relocation and distinction into three primary germ layers…

Q: contrast the embryonic development of the starfish and the sea urchin.

A: NOTE: Kindly repost for other questions. Dear Student as per the guidelines we are supposed to…

Q: How similar is the genetic information within each blastomere?

A: Blastomere: Its is a stage in early embryonic development. It is 2 celled structure formed by first…

Q: In a developing chicken embryo, what mesoderm lines the amniotic cavity?

A: The amnion, chorion, yolk sac, and allantois are the four extraembryonic membranes found in amniotes…

Q: Describe briefly amniocentesis and its purpose.

A: The process of fertilization includes a sperm (male gamete) fusing with an ovum (female egg). In…

Q: How do the location and the relative size of the bulbourethral glands of the fetal pig compare with…

A: Reproductive system is used for the sexual reproduction. Female internal reproductive organs include…

Q: Along the notochord, segmented blocks of tissue that give rise to muscles, vertebrae, and connective…

A: Answer is d.) somites.

Q: What is the embryonic sac?Which are the cells that formthe embryonic sac? What aretheir ploidies?

A: The angiosperms are vascular plants that produce flowers and fruits, and they belong to the phylum…

Q: Name two structures derived from each of the three embryonic tissue layers: endoderm, ectoderm, and…

A: Two structures derived from each of three embryonic tissue layers are : Endoderm  gives rise to…

Q: What are some advantages of the pronounced cephalization that occurred as vertebrates evolved from…

A: Answer- Animals are adapted and evolved so that they can survive and reproduce well. In tetrapods…

Q: Describe the differences between protostome and deuterostome development.

A: Protostomes are organisms whose blastopores develops into a mouth. In comparison, Deuterostomes are…

Q: What is an amnion?

A: The question asks about the amnion.

Q: postanal gut?

A: Introduction  Take out of digestive Cdx2 produces various results relying on the formative stage at…

Q: What are the functions of amniotic fluid?

A: The newborn fetus comes with an umbilical cord. This cord ends up with two umbilical arteries and…

Q: Match the germ layer with the correct derivative Gastrodermis v [ Choose ] Ectoderm Endoderm…

A: There are 3 germ layers ectoderm, mesoderm and endoderm giving rise to different organs in…

Q: Have the headfold and tailfold fuse to form the amniotoc cavity? Why yes, or why not. Discuss.

A: The amniotic cavity is a closed sac that contains the amniotic fluid between the embryo and the…

Q: C. Development 1. Label the following embryo development stages and cells: zygote, blastocoel,…

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: Name the embryonic membranes and give the importance of each

A: Embryonic membranes are the membranes that lead to the development of the embryo in the mother's…

Q: Name the three embryonic tissue layers of vertebrate embryos,and describe the process by which they…

A: Gastrulation is the cycle where differentiated cells from the zygote move to their particular areas.…

Q: If identical human twins develop from separate placentas, when must the embryo have separated? When…

A: Reproduction is the biological process through which the new individual organism is produced from…

Q: what characteristics are shared among bird embryos, pig embryos, and human embryos?

A: There are several similarities between the embryos of different species of animals and birds. It was…

Q: Which tissues and structures develop from ectoderm? frommesoderm? from endoderm?

A: During organic process, 3 primary germed layers, called exoderm, endoderm, and endoderm are shaped…

Q: What's the process of gastrulation in humans, how the embryo forms the three germ layers, and which…

A: The inner cell mass which is known as Blastula is now grown into a cell mass known  Gastrula and…

Q: All Gnathostomes have: I) mineralized teeth II) lung derivatives II) vertebrae O A. I & II B. I &…

A: Gnathostomes belongs to kindom- animalia, phylum- chordata. includes both cartilaginous & bony…

Q: When viewing a 14-day old human embryo, could you identify the cranial and caudal ends? If yes,…

A: Gastrula is a three layered structure which transforms blastula into a complete organisms.

Q: Explain the implantation of blastula and differentiate the embryonic from extraembryonic tissues.

A: The development of multi-cellular organisms begins from a single-celled zygote, which undergoes…

Q: Identify two differences between a zygote and blastocyst

A: The fusion of male and female gametes is termed as fertilization. The process of fertilization takes…

Q: In which type of animalsdoes the placenta exist? Whatis its main function?

A: The placenta is a large organ that develops during pregnancy. It is usually attached to the uterine…

Q: C. Explain the functions of the four layers found inside an amniotic egg.

A: Amniotic eggs are eggs that produce by mammals, birds, reptiles etc. The embryo development take…

Q: Ectodermal Derivatives of the Developing Chick Embryo   A. 33-hour Chick Embryo Transverse…

A: 1. Neural  is situated in the region of or on the same side of the body as the brain and spinal cord…

Q: "What happens to the pronephric, mesonephric, and metanephric tubules in amniote?"

A: Amniotes are a clade of tetrapod vertebrates comprising of the reptiles, birds and mammals. Amniotes…

Q: What is blastomeres?

A: Embryonic development is also called as embryogenesis. It is a process by which the embryo forms and…

Q: How do changes in development create new body forms?

A: Embryonic development is the development of plant or animal embryos, which is otherwise known as…

Q: What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians,…

A: Amniotic eggs are eggs layed by reptiles and birds. The organisms which lay these eggs are called…

Q: What are the four extraembryonic membranes of amniotic eggs of birds and other reptiles and what is…

A: Step 1 Extraembryonic membranes are those membranes that surround the embryo of terrestrial…

Q: 1. salping/o, a. pelvic floor in male and female anatomy b. passageway between the uterus and the…

A: The female reproductive system includes the major organs such as uterus, fallopian tubes and…

Q: Describe the Amniocentesis procedure?

A: Amniotic fluid is a watery liquid formed from maternal plasma inside the amniotic sac of the…

Q: Explain the developmental and functional similarities and differences between: Avian amnion and…

A: The membrane , that closely covers the human and various other embryos when first formed, it is…

Q: How is the skeleton of a sea urchin like the skeleton of a lobster? How is it different?

A: Higher invertebrates phyla consist of animals taking Higher positions in the phylogenetic tree of…

Q: What structures carry the egg from the ovaries to the uterus? Are these structures the same in all…

A: Introduction The ovary is a female reproductive organ that produces an egg called an ovum. This goes…

Q: What is a fertilized egg called?

A: Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete…

Q: What is fertilized egg known as?

A: Fertilization When male gamete fuses with female gamete, this process is known as fertilization.

Q: What are the benefits of the Amniocentesis procedure?

A: In an amniocentesis procedure, a sample of amniotic fluid from the uterus is removed. With the use…

Q: What is the difference in gastrulation and blastula process?

A: Answer : the difference between gastulation and blastula process is :    Gastulation is the stage of…

Q: what is amniocentesis?

A: Prenatal genetic tests are conducted before the birth to detect any genetic disorder. It helps to…

Q: Identify the types of movements during gastrulation. 2. Based on your answer in question 1, discuss…

A: The process of the formation of gastrula from the blastula is called gastrulation. It involves…

Q: (i)In which part of the world, Neanderthal man lived?(ii)What was his brain​s capacity?(iii)Mention…

A: Neanderthals or Homo neanderthalensis are an extinct subspecies of the archaic humans. They lived…

Q: 1. Shortly after implantation, tissue from the embryo normally grows into the wall of D с. C B d. A…

A: The given figure is that of female human reproductive system .