The ___________________ of an egg serves as an embryos water supply while the ____________ provides a structure for gas exchange.    A albumen; yolk B amnion; allantois  C albumen; allantois D allantois; albumen

Q: Discuss how the development of an artifi cial placenta is an important step in the study of…

A: The artificial placental involves the fruitful transportation of a hatchling weighing somewhere in…

Q: D А- -E B- C- OALL

A: Structural changes occurs in different stages of chick embryo.The 72 hour chick embryo shows the…

Q: an amniotic egg was crucial to the evolution of vertebrates because it provides the following to the…

A: The amniotic egg was the crucial evolutionary step that allowed the living organisms to breed…

Q: In protostomes and deuterostomes, the space between the endoderm and the ectoderm is important…

A: In early embryonic development, all the animal cells form layers known as germ layers. There are…

Q: In a developing human, the first organ to form is thea. heart.b. brain.c. notochord.d. liver.

A: Answer- The organs starts to develop from the first month of the pregnancy in the humans.

Q: Each egg cell develops in its own fluidfilled space called a/an _____.

A: Each egg cell develops in its own fluid-filled space called a/an Follicle. The follicle assumes a…

Q: The following diagram is of the blastopore stage of embryonic development. Based on the information…

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

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

A: Answer is d.) somites.

Q: The _______ is an important structure for waste storage in birds and some mammals, but not in…

A: Extraembryonic membranes are the layers enclosing the embryo inside the uterus. There are four…

Q: The bladder like structure in the amniotic egg

A: The allantois (plural allantoides or allantoises) is an empty sac-like design loaded up with clear…

Q: Which of the following consists of both fetal and maternal tissues? (a)umbilical cord (b) placenta…

A: The unborn offspring that is known to develop from an embryo is called the fetus. The overall…

Q: The inner cell mass of a human blastocysta. gives rise to the chorion.b. gives rise to the…

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

Q: I. Determine the vertebrate where each part is present. Write the letter only. E. Snake F. Chicken…

A: Vertebrates  The organism whose spinal chord protected by bony or cartilaginous bone.

Q: Which of the following has three germ layers? (a) morula  (b) gastrula (c) blastula (d) blastocyst…

A: Answer is b.)  gastrula.

Q: Cleavage produces daughter cells called ________.a. trophoblastsb. blastocystsc. morulaed.…

A: Cleavage is described as the procedure of cell division in early embryo to generate a cluster of…

Q: postanal gut?

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

Q: The outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm…

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: A cleidoic egg is one that. (mark all that apply) has no yolk has been adapted for being laid on…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: Match the germ layer to its derivative Neural tube V [ Choose ] Ectoderm Endoderm Mesoderm…

A: Cells of Germ layers grow and divide to produce different parts /organs of body of an organism.

Q: During the creation of eggs, only one egg will be viable, the other 3 eventually break down. What…

A: Oogenesis is divided into three stages, which are the Multiplication phase, growth phase, and…

Q: What is/are major tissue that develops from ectoderm (select all correct answers)? O Nervous system…

A: During sexual reproduction, a haploid sperm fuses with a haploid egg to give rise to a diploid…

Q: At what phase of development would a mouse embryo appear me similar to a chick embryo? Blastula…

A: THE STAGE OF DEVELOPMENTIS BLASTULA STAGE.

Q: Which of these is mismatched?a. chorion—sense perceptionb. yolk sac—fi rst site of blood cell…

A: Animal development is the process in which a fertilized egg undergoes cell division and cellular…

Q: Label each tissue with the specific source germ cells: v Gastrointestinal tract A. Intermediate…

A: We are tripoblastic organisms that means we contains three types of germ layers that includes…

Q: Draw an egg in its blastula stage and label the parts. What are its distinguishing charcteristics…

A:

Q: Umbilical cord contains A allantois B yolk sac C arteries veins

A: The umbilical cord is a stretchable, tubular  structure which joins the fetus to the mother during…

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: By the end of gastrulation the [Select] * has surrounded the outside of the embryo, the [ Select ]…

A: Gastrulation refers to the process by which a gastrula is formed from a blastula. Grastrula is the…

Q: Embryo above pictured here is a/an O A. blastula O B. gastrula O C. planula O D. zygote

A: Human embryonic development refers to the development of embryo. It involves the process of cell…

Q: Occasionally, two primitive streaks form in one embryonic disk. Predictthe result. What happens if…

A: Primitive streak : A primitive streak is defined as a transient structure that forms during the 15…

Q: Which of these produces blood cells and germ cells at the early stages of fetal development? O…

A: The yolk sac is responsible for producing blood cells and germ cells during the early stages of…

Q: Which is the largest portion of an insect egg that contains carbohydrates, proteins and lipids? A.…

A: "Sexual reproduction refers to the form of reproduction that occurs through the union of male and…

Q: Taenia saginata egg

A: Introduction:- Taenia saginata is also called beef tapeworm, it's a cestode parasite, in humans…

Q: Rose tells you her sister was only in labor 1 hour when she had her baby. Rose is planning to spend…

A: Yes we will advice her not to go for camping in her last day of pregnancy.

Q: 12. 11 13 10

A: Chick embryo The development of fertilised chicken egg is termed a chick embryo. It is extensively…

Q: This is the outermost layer that protects from water loss but allows for gas exchange: amnion…

A: An embryo is present at an early stage of the development of a multicellular organism. The formation…

Q: Fill in the blank:  The meiosis of egg formation is called _______________________.

A: Meiosis is a cell division in which the diploid cell divides into a haploid cell, reducing the…

Q: An early stage embryo consisting of mutiple layers is a blastula O True False

A: In mammals, a blastula is an initial phase of embryonic development.

Q: Archenteron Blastocoel Blastocoel remnant Blastula Ectoderm Endoderm Gastrula Mesoderm Yolk plug

A: This diagram represents the cell division after fertilization have taken place. A zygote undergoes…

Q: Division of human egg is a) Holoblastic and equal b) Holoblastic and unequal c) Isoblastic d)…

A: Introduction - One of the largest cells in the human body is the human egg, or ovum. It is, however,…

Q: The folding of ectoderm on the top of the embryo during organogenesis produces...? Group of answer…

A: In humans, the folding of neuro-ectoderm gives rise to one of the most important structure i.e…

Q: Which of the following statements is true: O invagiantion is folding of cells that happens early in…

A: Blastocoel is a fluid filled cavity in blastula. First the morula(60 or more cells) is formed then…

Q: The outermost (most superficial) extra embryonic membrane is____ a ) Allantois b ) Amnion d )…

A: Extraembryonic membrane are the membrane which is formed around the growing embryo and is involved…

Q: Match the term to the correct description. + Allantois A. Fluid-filled membrane that protects the…

A:

Q: Label the parts of the chick embryo

A: Parts Of The Chick Embryo   oropharyngeal membrane  angiogenic cell cluster  Ectoderm   Endoderm…

Q: Which of the following is not true about frogs eggs and blastula formation? Choose all possible…

A: In the blastula stage of development , a blastula contains large yolk filled cells at the vegetal…

Q: Which of the following structures give rise to pharyngeal (branchial) arches cranial nerves O Neural…

A: Introduction :- Pharyngeal arches are two structures that grow on either side of the growing…