Q: 1. Summarize the events that occur from the fertilization to the development of an embryo. In plants…
A: Note: Please upload 2nd question separately. Answer: Introduction: Fertilization is mixture of…
Q: Explain the advantages and disadvantages of self fertilization in these flatworms
A: Flatworms are the organisms that belong to the phylum “Platyhelminthes’. These organisms are…
Q: How are mammalian extraembryonic membranes formed?
A: The layers encircling the embryo inside the uterus are known as extraembryonic membranes. The…
Q: How are mammalian sperm cells produced and incubated at a lower temperature than body temperature?
A: Mammalian sperm is the male gamete that is produced by the process of spermatogenesis in males. Once…
Q: Discuss the process and pathways of fertilzation in turtles. Also provide or show a diagram how does…
A: In Males there's have one or two penises that pass sperm from their cloaca to the cloaca of a female…
Q: make a concept map, to discuss how reproduction takes place in animals. (Include the modes, sexual…
A: Reproduction is the process through which which offspring are produced from their parents. Each…
Q: What structural adaptation in chickens allows them to lay theireggs in arid environments rather than…
A: The vertebrate embryo requires an aqueous environment for their development. The amphibians and…
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: What are the three typesof germ layers that formtissues and organs in animals?
A: The tissue is a group of cells that perform a specific function. Basically a group of cells who…
Q: Illustrate an egg in the morula stage. How does its size compare with that of the fertilizied egg?
A: MORULA STAGE OF EGG- It is an early stage of embryo consisting of 16 cells called blastomeres which…
Q: Write the Patterns of embryonic cleavage and whole mechanism of cleavage. Write gastrulation in sea…
A: Cleavage is the division of cells in early embryo. There may be equal or unequal divisions.
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: Which type of cleavage leads to the development of a bird?
A:
Q: What happenes if fertilization doesnot takes place in utreus?
A: Humans, as mammals, have the capability to reproduce sexually. Sexual reproduction requires the…
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: Why are sea urchins have external fertilization? What are the adaptive advantages of external…
A: Sea urchins are significant herbivores on coral reefs, & in certain environments they assume a…
Q: Describe internal fertilization process in sea urchin.
A: The process of internal fertilization occurs when a male and female gamete fuse inside the female…
Q: What is the male reproductive system of frog?
A: Sexual dimorphism is present in frog. During the breeding system, both the male and female frogs…
Q: n the ventral surface of the embryo series of tissue blocks lateral to the neural tube a…
A: somures eventually differentiate into dermis, skeletal muscle, cartilage, tendons, and vertebrae.
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: 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: In what way fertilization different between plants and animals?
A: Introduction All plants and creatures across the world replicate some or another way, as an…
Q: How do the two kinds of mammalian reproductive cycles—estrous and menstrual—differ from each other?
A: The reproductive cycles refers to the change in the physiological changes in the reproductive organs…
Q: Using sea star embryos as an example, describe gastrulation. Explain how the mass of inert yolk…
A: Gastrulation is the process in the embryonic development of many animals. In gastrulation, there is…
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: The cortical reaction of sea urchin eggs functionsdirectly in(A) the formation of a fertilization…
A: Sea urchins are the globular animals that belong to the class Echinoidea. They come under the…
Q: Discuss why is neurulation important?
A:
Q: what is the process which involves in the self-destruction of cells in the developing embryo as…
A: Ans: The process which involves the self destruction of cells in the developing embryo is very…
Q: Explain gastrulation in fish
A: Gastrulation in Fish: - Gastrulation is defined as a process in which gastrula is formed from a…
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: 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: 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: mine which end is its head and which is its tail?
A: Mammalian embryogenesis can be defined as the process of cell division that involves cellular…
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: Why do sea urchins have external fertilization?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Define the function of fat body and kidney in frog reproductive system?
A: The excretory system and reproductive system of the frog are combined into 1 system which is called…
Q: What are the 4 major events comprising the process of fertilization?
A: Note: As Per Bartleby Guidelines only one question is answered. For further answers repost the…
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: 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: 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: A: Why do sea urchins have external fertilization? [Discuss the life style of the developing sea…
A: Introduction: We’ll answer the first question since the exact one wasn’t specified. Please submit a…
Q: In animal phyla with radial cleavages, cell fate of the embryo is?
A: Radial cleavage is a developmental pattern of embryos where the cell division happens…
. How does the fertilization envelope form in sea urchins?
What is its function?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Why are sea urchins have external fertilization? What are the adaptive advantages of external fertilization? How about internal fertilization?Describe internal fertilization process in sea urchin.Diagram out the process of fertilization in the sea urchin. Be sure to include and end with the event of fast and slow block of polyspermy. What would be good short few sentence descriptions of each step?
- In animal phyla with radial cleavages, cell fate of the embryo is?With regard to early cleavage in the sea urchin, is the entire zygote involved in early cleavage? What happens to the size of cells as the cell number increases? Do they get bigger or smaller in these early stages? How does the size of these cells compare to the size of the original fertilized egg?Describe external fertilization process of sea urchin egg with diagram
- Describe and label a nematocyst and the cell containing it. Describe how nematocysts fire. How does the firing mechanism and structure vary phylogenetically [among classes]?In terrestrial arthropods, fertilization is always internal (True/False)?Give the process of internal fertilization in turtle. Show illustration how the fertilization happens inside the turtle
- What is the importance of sensory cephalization in animal survival?What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?What parts are persistent throughout the development of the sea urchin embryo? Why are these present in all the stages?