Identify the characteristics of protostome development: Select one or more: O spiral cleavage pattern O indeterminate cleavage O radial cleavage pattern O blastopore becomes the anus O blastopore becomes the mouth

Q: List the advantages of evolving a deuterostome pattern of development.

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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: Which phase of development does blastopore form Cleaveage Organogenesis Blastulation/blastula…

A: Gastrulation  is the phase of development in which blastopore form Cleaveage. Blastopore is a…

Q: Which is theextraembryonic membranewhose function is to storenitrogen wastes of theembryo? Is this…

A: The membrane that is known to assist the developing embryo is known as an extraembryonic membrane.…

Q: Protostomes and deuterostomes can be classified based ona. cleavage pattern.b. destiny of the…

A: Metazoans are divided into two, depending upon the embryonic development : Protostomes and…

Q: Which if the following is true about the cleavage of Tunicates? Choose all possible answers…

A: Tunicates Tunicates are the invertebrate chordates, These are also known as Ascidians, these are…

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

A: Answer is b.)  gastrula.

Q: Spiral cleavage can occur in both deuterostomes and protostomes (True/False)?

A: Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops…

Q: O Blastula Gastrula O Fertilized egg O Unfertilized egg O Morula

A: Introduction:-   The fusion of hapliod gamets ,egg and sperm to form the diploid zygote is called…

Q: Provide the (1) description and (2) adaptive significance of the following developmental and body…

A: A set of characteristics shared by a group of phylogenetically related animals at some stage during…

Q: postanal gut?

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

Q: In a reptile egg, the extraembryonic membrane thatencloses the embryo in a watery environment is…

A: Answer is b.) amnion.

Q: Compare human and sea urchin development prior to and after the gastrula stage.

A: Changes in cell shape and mobility(movements) are critical during early development because the…

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: Which of the following traits do human embryos possess? O A tail O Webbed fingers and toes O Gills O…

A: Embryology is the study of the development of embryos and by comparing these developing embryos of…

Q: Explain early development of human from fertilization to hatching of the blastula.

A: Fertilization can be defined as the male gamete's fusion to the female gamete to form the zygote. In…

Q: Enumerate the types of morphogenetic movements employed by vertebrate embryos in gastrulation. Give…

A: Gastrulation is a process that takes place in the early developmental period. In this process a…

Q: In the development of amniotes (reptiles, birds, mammals), the defining feature of gastrulation…

A: Answer is : primitive streak The beginning of gastrulation is marked by the appearance of a groove…

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

A:

Q: In protostomes [Select] cleavage occurs and it is [ Select ] In addition, in protostomes th v […

A: Protostomes are groups of animals sharing common ancestors and have a true body cavity (coelom).…

Q: Discuss the Distinguish the formation of cleavage snails embryos. 2. Distinguish the formation of…

A:

Q: If radial cleavage occurs during development, the animal will be a deuterostome (True/False)?

A: Deuterostome in greek mean second mouth. It make a nephrozoa clade with protostomia clade. they are…

Q: Give a brief summary of the two-step procedure for identifying the tunicate embryo's marginal cells.

A: Tunicates are marine invertebrate chordates that are vertebrates' closest relatives. Ascidians are…

Q: Is the sulcus limitans present at the 72-hour stage? State the derivatives of the sacculus and

A: Embryo development is a process that occurs after the process of fertilization has occurred and the…

Q: View this time-lapse movie(http://openstaxcollege.org/l/conceptus) of a conceptusstarting at day 3.…

A: The time from fertilization to the complete development of the fetus in the uterus is called…

Q: You separate the blastomeres of a four-cell animal embryo and discover that each cell| develops into…

A: The cleavage is the cell division pattern in early developmental phases. It is slightly different…

Q: Answer the following questions: 1. What is the gastrocoel? 2. What is a deuterostome? 3. What does…

A: On being fertilised, the zygote undergoes different stages namely blastulation, gastrulation,…

Q: ''Because of the many later developmental trans-formations that produce the elaborately structured…

A: The germ layers develop early in embryonic life, through the process of gastrulation. Triploblastic…

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: Differentiate Protostomes from Deuterostomes in terms of germ layer formation

A: The most significant difference between protostomes and deuterostomes arises due to the…

Q: From which of the following is the embryo developed? Trophoblasts Inner cell mass Blastocoelen…

A: Embryo is formed from the  zygote and zygote is formed by the union of the male and female gametes.…

Q: Make a flowchart to show early embryonic development in humans. Start with the zygote

A: Life starts from a single cell called Zygote. A zygote is formed by the fusion of the male gamete…

Q: Describe external fertilization  process of sea urchin egg with diagram

A: Fertilization in sea urchin occurs solely through the external process in which egg and sperm fuse…

Q: Draw a diagram that includes the varlous characteristics of deuterostome development: bilateral…

A: Bilaterians are animals whose embryos show bilateral symmetry. That is the embryo is divided into…

Q: Primitive streak formation is a critical process that occurs during the third week of human…

A: Primitive streak formation is a critical process that starts during the third week of development of…

Q: D. Discuss the development interaction between the actoderm and the mesoderm in the evolution of the…

A: Chordates, including vertebrates, evolved within a group of animals called the deuterostomes.…

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: 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: please help

A: Traits are genetically determined characteristics one belonging to one person. Some traits are…

Q: In amphibian gastrulation, are there any evidences of cephalization? Why or why not? (mi

A: Gastrulation: During gastrulation, cell movements result in a massive reorganization of the embryo…

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: Summerize various metabolic events involved in cleavage and blastulation in different animals.

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

Q: uterostome development? elect one: O A. The mouth develops from the blastopore O B. Solid masses of…

A: Protostomes and deuterostomes are the two major divisions of animals. The fundamental distinction…

Q: The embryo below exhibits cleavage. radial bilateral spiral O modified

A: During developmental periods single cell zygote is transform into multicellular embryo by the…

Q: Describe the body wall of the 55-hour chick embryo.

A: Embryo:- An embryo is a eukaryotic organism's early developmental stage after an egg (produced from…

Q: 5 Frog Early Gastrula 3 31 12

A: Gastrulation Gastrulation is a stage of embryonic development in which the blastula stage of the…

Q: e membrane

A: answer 1 ) Layer 1: The tympanic film is the grown-up structure that outcomes from the primary…

Q: What is the distinguishing characteristic of each stage in the embryonic development of the sea…

A: Sea urchins are the organisms that constitutes the external fertilization events in which they send…