Explain the following terms: ectoderm, endoderm, mesoderm and stem.

Q: note on embryology and explain its different stages along with diagram?

A: Embryology or human embryogenesis is the development and formation of the human embryo. Cell…

Q: Why is knowing information about embryo development important

A: EMBRYO DEVELOPMENT:- It is the process of formation of the embryo, starts with the fusion of male…

Q: Discuss the following terms in detail: 1.1  Fertilisation  1.2  Cleavage   1.3  Gastrulation 1.4…

A: Gametes are defined as the reproductive haploid cells of the organism where they consists of 23…

Q: Compare and contrast between the following: (1) Medio-lateral intercalation and radial…

A: The layers of a human embryo, from innermost to outermost, are the endoderm, mesoderm, and ectoderm.…

Q: Define primordial germ cell

A: In human anatomy, cells that can produce the gametes are called primordial germ cells. During the…

Q: Briefly describe viviparity and ovoviviparity and compare the embryo's source of nourishment, their…

A: There are  two different methods of fertilization of male and female gametes. It is external…

Q: oogenesis.

A: oogenesis -In the human female reproductive system, growth process in which the primary…

Q: Write in detail the process of organogenesis in vertebrates. Give one example and make diagram also.

A: In embryology, Organogenesis can be described as a series of processes that lead to converting the…

Q: Describe, in detail, fertilization.

A: The life process of the formation of a new organism from existing organisms is called reproduction.…

Q: List the five regions of the mesoderm, and identify some major body parts derived from each region.

A: One of the three germ layers that lie between the other two germ layers called the ectoderm, and the…

Q: Briefly discuss avian early embryonic development, starting with fertilization and oviposition,…

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: Outline the process of double fertilization, and explain the advantage it confers

A: Flowers are the site of sexual reproduction in flowering plants. Sexual reproduction in flower can…

Q: Compare and contrast embryogenesis and morphogenensis and Outline the difference of somatic…

A: Embryo  Embryo is the developing young one of multicellular organisms.

Q: What is the difference between a mesoderm and a mesoglea?

A: Diploblastic animals contain body wall which develop from 2 embryonic germ layer - ectoderm and…

Q: Component of bilaminar germ disc: a.Hypoblast and endoderm b.Epiblast and hypoblast c.Epiblast and…

A: INTRODUCTION       In the inner cell mass the bilaminar embryonic disc may formed two layers of…

Q: describe internal and external fertilization, and provide examples of animals that use each of these…

A: Reproduction is the biological process through which a new individual organism is produced. The…

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: Explain how the ovum of a plant is fertilized.

A: Male and female gametes (reproductive cells) are joined during plant fertilizations to create a…

Q: Which of the following rows correctly identifies the development of the germ layers? Select one:…

A: The germ layers are an embryonic collection of cells that aid in the creation and development of…

Q: Represent diagramatically different stages of fertilization.

A: Since the question do not specify any particular organism for the process of fertilization.…

Q: List and explain the steps involved in fertilization

A: The fertilization has the following steps are as follows:1. Sperm Capacitation2. Sperm-Zona…

Q: Give the process of internal fertilization in turtle. Show illustration how the fertilization…

A: Turtles are a type of reptile known as Testudines. They are distinguished by a shell made primarily…

Q: Define ectoderm and andoderm?

A: Except the sponges, the growing embryo in all animals develops different layers of cells called as…

Q: Complete the following table with the organs/systems that arise from each of the germ layers Germ…

A: There are three embryonic germinal layers that covers the embryo. The outer layer is called…

Q: In anatomy lab, Thaya pointed to the vertebrae of a cadaver and said “sclerotome.” He pointed to a…

A: The three primary embryonic germ layers termed the ectoderm, mesoderm, and the endoderm function to…

Q: which germ layer (tissue) gives rice to our nervous system and outer coverings. a) endotherm b)…

A: The mesoderm, or middle tissue, gives rise to most of the muscle and connective tissues. Finally the…

Q: What are the correct pairings of developing and embryonic structures in the gastrulation of…

A: Note: Sorry, since you have posted multiple questions, as per the honor code we will be authoring…

Q: What mechanisms have evolved in animals with(a) external fertilization and (b) internal…

A: The process that involves fusion of the male and female gametes namely sperm and ovum respectively…

Q: Why are the ectoderm and endoderm called the “germ” layer?

A: Gastrulation is the process of the embryonic development in which cell  movements establish the…

Q: Describe development of an animal from zygote to infant.

A: A fascinating and complex process is the growth of an animal from a single fertilized cell, known as…

Q: How is embryology different from developmental biology?

A: During their life cycles;most of the living organisms like plants and animals undergoes various…

Q: Which of the following primary germ layers nervous tissue develops from? a ) yolk sac b) endoderm…

A: The life of a human being begins in the womb as an embryo and undergoes various developmental stages…

Q: In embryos with spiral cleavage the 4d cell gives rise to which germ…

A: INTRODUCTION Mesoderm It is a germ layer formed during gastrulation. Present between ectoderm and…

Q: Identify three structures that originate from ectoderm.

A: The ectoderm is the outermost layer. It is superficially present outside the mesoderm and endoderm,…

Q: name two organism in which external fertilization take place .

A: Fertilization is a process in which two gametes fuse together which results in new individuals.…

Q: In the provided image (whole mount of 33-hour chick embryo), color the respective germ layers and…

A:

Q: Explain step by step in your own words what are the events that follow fertilization

A: Introduction An organism reproduces an offspring that is biologically identical to the organism…

Q: the result of the union of human egg and sperm cell which initiates prenatal development. > embryo…

A: Embryo-In the early stage of development, the part of the life cycle that starts just after…

Q: What four types of cellular processes must occur to enable a fertilized egg to develop into an adult…

A: Pattern development is the cycle by which a particular cell, the treated egg, partitions to offer…