Q: Describe the movement of cells during early development that change an embryo from a blastula to a…
A: To describe: The movement of cells during early development that changes an embryo from a blastula…
Q: What are embryophtes?
A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…
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: astrulation, are there any evidences of cephalization? Why or why not?
A: Gastrulation: During gastrulation, cell motions cause the embryo to reorganise massively,…
Q: Define the development & reproduction of Vertebrates: Fish and Amphibians ?
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: What do you call the movement in which the yolk plug is formed in amphibians?
A: Introduction:- The residual patch of endodermal cells generated after the formation of the dorsal…
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 three difference between mammals and frog testis?
A: The architecture of human urogenital tracts differs dramatically from that of all other animals. The…
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: How does oviposition occurs in female turtles. Provide the pathway involved in the oviposition…
A: Answer :- As we know that Males have a couple of penises that pass sperm from their cloaca to the…
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: During the embryological development of chordates, the midline dorsal layer of ectoderm folds in on…
A: In humans (a chordate), by the end of the third week of gestation, three basic germ layers…
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: 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: What is ejaculatory duct and its function in cockroach?
A: Cockroaches (Periplaneta americana) fall under the phylum Arthropoda of the class Insecta.
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: 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: Create a diagram showing the evolution of the urogenital system for the seven vertebrate classes.
A: The urogenital system is meant by the urinary as well as the genetal or reproductive system. The…
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: 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: How are animals classifiedaccording to the germ layerspresent in their embryonicdevelopment?
A: Germ layers are developed during embryogenesis. They are programmed to develop specific organs,…
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: Which ovary is functional in birds?
A: Ovary is the female reproductive organ found in lower chordates to higher animals. Ovary produces…
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: 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: Differentiate Protostomes from Deuterostomes in terms of the formation of germ layers
A: Developmental biology describes how interacting mechanisms generate an organism's various size,…
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: 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 evolutionary advantages does the amniotic egg have? explain how each component of the egg plays…
A: Allow embryos to grow faster and to a greater extent before hatching. Animals are no longer reliant…
Q: What is the role of gnathostomata in vertebrates?
A: Phylum Chordates are characterized by the presence of four diagnostic characters notochord, dorsal…
Q: Explain gastrulation in fish
A: Gastrulation in Fish: - Gastrulation is defined as a process in which gastrula is formed from a…
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: Explain mesoderm where it is present in animal kingdom?
A: In an embryo, germ layer is a group of cells that interact with each other during the development of…
Q: Differentiate Protostomes from Deuterostomes in terms of the formation of cleavage
A:
Q: Describe how the embryo changed from earliest stage to the latest stage of each animal.
A: Embryonic development is studied to visualize similarity among different organisms' developmental…
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: What is the importance of sensory cephalization in animal survival?
A: Cephalization is the process in animals by which nervous and sensory tissues become concentrated in…
Q: Elaborate on the oviposition process of female turtles. Provide the pathways included in the…
A: INTRODUCTION Any reptile having a bony shell, including tortoises, is classified as a turtle in…
Q: A mammalian embryo puts the trophoblast into a hurried frenzy before it decides to proceed to the…
A: Trophoblasts refer to the cells that produce the external layer of a blastocyst. They can be seen…
Q: What is the fate of the four extraembryonic membranes in embryos of placental mammals?
A: Any of the tissues, derived from the fertilized egg, that encase or in any case add to the help of…
Q: What is mesoderm? Name an invertebrate with mesoderm.
A: Introduction During embryonic development the three germ layers, ectoderm, endoderm and mesoderm…
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: What is the difference between the testes of shark and frog?
A: Testes are the male reproductive organ that is responsible for producing spermatozoa or male…
Q: Where does the embryo get oxygen and release carbon dioxide? Hint: Where do vascular systems come…
A: From the given question, the given embryo is assumed to be bird’s embryo.The early stage of the…
Q: Describe the pre-gastrulation morphogenesis found in Amphibian development.
A: The pre-gastrulation morphogenesis found in Amphibian development is an important process that sets…
Q: What is the examples of animals reproducing sexually and ansexually?
A: Reproduction is considered a major biological process, where a matured organism produces new…
What are some advantages of the pronounced cephalization that occurred as vertebrates evolved from jawless fish to tetrapods?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- What are the roles of the chorion and amnion in terrestrial vertebrate embryos?What are some differences between protostomes and deuterostomes?Distinguish two mechanisms by which flatworms supply yolk for their embryos. Which system is evolutionarily ancestral for flatworms and which one is derived?
- Why is embryogenesis important in reptile specially in snakes?The notochord develops primarily from (a) ectoderm, (b) neural crest, (c) mesoderm, (d) endoderm.Describe the development of the notochord. Include the terms primitive pit, notochordal process, notochordal canal, neurenteric canal, notochordal plate, ectoderm, mesoderm, and endoderm in your descriptions. Include labeled diagrams in your description. With respect to the developing notochord, where is the cloacal membrane, allantois, embryonic ectoderm, embryonic endoderm, and embryonic mesoderm with reference to the developing notochord.
- In vertebrates, what anatomical structure partially or completely replaces the notochord? 1.) lateral-line system 2.) cartilage or a bony skeleton 3.) endostyle 4.) dorsal hallow nerve cordCompare the role of notochord in the early development of vertebrates and invertebrates.In amphibian gastrulation, are there any evidences of cephalization? Why or why not?
- Which of the following is an INCORRECT statement? Question 6 options: a) The early embryo of a higher animal is never like a lower animal, but only like its early embryo. b) During the first three stages of development, blastomeres become smaller by way of each embryonic cleavage. c) The space inside of the neural tube will eventually become the space inside of the digestive system. d) A zygote results from the union of sperm and egg.what characteristics are shared among bird embryos, pig embryos, and human embryos?How are the vertebrates related?