Q: Which of the following groups include at least some members that exhibit internal fertilization?…
A: Internal fertilization is the process of fertilization that occurs inside the body of an individual.…
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: What two germ layers develop in the embryos of diploblastic animals? Check the two that apply.…
A: The two germ layers of cells found in diploblastic animals are the outer ectoderm and the inner…
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: Reproduction is usually secual with both male and female sexes, however asexual reproduction does…
A: Parthenogenesis is the type of asexual reproduction involving the development of female gametes…
Q: oogenesis.
A: oogenesis -In the human female reproductive system, growth process in which the primary…
Q: Label the mammalian ovary
A: Ovary It is a reproductive organ where eggs are formed. It is also a site for the formation of…
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: Describe the Gastrulation in Caenorhabditis elegans.
A: The study of embryo development is known as embryology. This covers the transformation of a…
Q: Reproduction is usually sexual with both male and female sexes, however asexual reproduction does…
A: Parthenogenesis A type of asexual reproduction where individual develops from unfertilized egg.
Q: In terrestrial arthropods, fertilization is always internal (True/False)?
A: Arthropoda is the largest phylum in the animal kingdom, which includes such familiar forms as…
Q: In humans, implantation in the uterus occurs at whichstage of embryonic development?a. zygoteb.…
A: An embryo is an unborn offspring in the steps of development. It is part of the life cycle. It is…
Q: Birds, reptiles and insects have something in common as far as the development of their embryos.…
A: Answer :- Birds, insects and reptiles are higher vertebrate . All of these are developed from…
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: When the embryo is implanted, what developmental stage this be? cleavage fetus blastula gastrula
A: Sexual reproduction in humans includes a fusion of sperms and eggs to form a zygote.
Q: Gastrulation in birds and mammal
A: Gastrulation is the process during embryonic development that changes the embryo from a blastula…
Q: Research on the gastrulation of the following taxa i.e. Teleostei, Aves, Mammalia, and Insecta. Make…
A: In developmental biology, gastrulation is the phase in the embryonic development during which the…
Q: Draw an egg in its blastula stage and label the parts. What are its distinguishing charcteristics…
A:
Q: Which of the following occurs to the blastocoel during Xenopus development? is replaced by the…
A: Xenopus It refers to the genus of highly aquatic frogs that are mostly found in the regions of…
Q: unfertilized ovum zygote 2 or 4 cell stage 8 cell stage blastula gastrula starfish embryo morula (16…
A: *NOTE: Kindly repost for other question. Dear Student as per the guidelines we are supposed to…
Q: What is "ecdysis"? O The outermost covering of an ovum that undergoes external fertilization. O A…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: How is the process of gastrulation accomplished in mammalian embryos?
A: In developmental biology Gastrulation is the process that take place in the early embryonic…
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: A) The correct order of chronological order of developmental events is a. 1.cleavage 2.…
A: Since you have asked two questions, we would be answering only the first. Post the second question…
Q: Recent fossil evidence shows a placoderm with a developing embryo inside its body. In the absence of…
A: The fossil, Materpiscis attenboroughi, which is related to placoderms in Devonian period, showed the…
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: Briefly explain how and why the yolk distribution in mammalian eggs has changed from their…
A: According to Bartleby expert, when multiple questions are posted we are allowed to answer the first…
Q: Cleavage Gastrulation Neurulation Organogenesis
A:
Q: Explain gastrulation in fish
A: Gastrulation in Fish: - Gastrulation is defined as a process in which gastrula is formed from a…
Q: Molluscs are capable of reproducing asexually
A: Mollusks belong to the kingdom animalia and belong to mollusca phylum. They are second largest…
Q: are the essential similarities and differences between the development of sperms and eggs in mammals
A: Both sperm and ovum are haploid having 'n' number of chromosome. Both undergoes mitosis as well as…
Q: Illustrate an egg in early cleavage, distinguish this stage from thise that follow (2,4,8 cell…
A: In developmental biology, several stages are there which determines the development of the fetus…
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: Part IlI: Discussion 1. How can you distinguish an unfertilized egg from a fertilized egg? 2. As…
A: Fertilization is a natural phenomenon of producing mature male(sperm) and female(egg) gamete in…
Q: Which combination of characteristics is typical of the development of a deuterostome? .... Question…
A: Triploblastic and diploblastic stages are two distinct types of blastula stages. The major…
Q: What is the third layer that forms as a result of gastrulation in some animals? mesoderm endoderm…
A: Gastrulation is the cycle during early stage advancement that changes the incipient organism from a…
Q: Number these steps in vertebrate embryogenesis in order. ______ formation of archenteron…
A: The embryonic development begins after fertilization that involves fusion of male and female…
Q: fertilized ovum of a dog
A: (Canine) egg treatment Ovulation in many bitches happens between 48-60 and 72 h from the beginning…
Q: In the blanks below, identify the essential developmental process (NOT developmental stage)…
A: The every organism's embryo undergo the different developmental stages so that all the structures…
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: 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: During morphogenesis, gastrulation does which of the following? A. Gastrulation produces the…
A: Several stages are involved in the development of a baby from a zygote during pregnancy. It begins…
Q: Hermaphroditic animals can self-fertilize, except earthworms. Why? And is this an advantageous or…
A: Earthworms are invertebrate animals belonging to the phylum Annelida. the animals have tube-like…
Q: Label the parts of the Amphibian Spermatogenesis and Oogenesis.
A: Oogenesis is the process of formation of ovum from germ cells in female ovaries.
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…
Q: Gastrulation occurs to form which three tissues? O hypoblast O ectoderm mesoderm O endoderm O B, C,…
A: During the early stages of embryo development, a multitude of signals are being released, some of…
Q: How does the embryo turnfrom gastrula into neurula?How is the neural tubeformed? What is…
A: The gestation is period refers to the time during which zygote develops to the foetus. The gestation…
In amphibian gastrulation, are there any evidences of cephalization? Why or why not?
Step by step
Solved in 2 steps
- How is the process of gastrulation accomplished in mammalian embryos?Describe embryonic gastrulation in protostomes vs. DeuterostomesThe largest cycloneuralians are also the only ones with external fertilization. Which phylum is this? Explain the relationship between adult body size, mode of fertilization, and type of larval development in marine invertebrates.
- Explain gastrulation in fishCan the dorsal lip of the blastopore inducecells in another part of the amphibian embryoto change their developmental fate?A mammalian embryo puts the trophoblast into a hurried frenzy before it decides to proceed to the business of gastrulation. Is it a Clever move, or an evolutionary blunder? Explain well
- Compare the process of gastrulation in amphioxus and birdsWhy is embryogenesis important in reptile specially in snakes?From a 24-hour chick embryo, provide the answers in the following: Pairs of somites in a 24-hour chick embryo Germ layer/s that forms the head process What begins the formation head of process Germ layer/s that form the proamnion Explain why the notochord is not visible in areas where the somites are seen