Prepare sketches of the following Two-cell sea urchin embryo

Q: Enumerate and describe the patterns of cleavage exhibited by the frog.

A: Cleavage is a process that occurs in early embryogenesis, whereby a single fertilized egg cell (the…

Q: Compare and contrast the embryonic development of protostomes and deuterostomes

A: Metazoans are divided into protostomia and deuterostomia based on the development of the embryo.…

Q: Define Reptiles: Amniotic Egg ?

A: There are two types of eggs on the basis of amniotic membrane - amniotic and anamniotic eggs.…

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: Identify the characteristics of protostome development: Select one or more: O spiral cleavage…

A: Protostomes are organisms which shows formation of mouth before formation of anus during embryonic…

Q: Contrast developmental activities in embryos before and after they reach the mid-blastula…

A:

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 the development of the respiratory system in the embryo

A: In the fetus, the respiratory system development begins early. This complex process includes various…

Q: Describe the differences between protostome and deuterostome development.

A: Protostomes are organisms whose blastopores develops into a mouth. In comparison, Deuterostomes are…

Q: Describe the embryonic development of a sea star.

A: 1: Egg and zygote - The fertilized egg has a massive and distinct nucleus. examine the amount of…

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: Compare the developmental stages (cleavage, blastula, gastrula) of the frog with an invertebrate…

A: INTRODUCTION Different stages of development of frog and sea urchin is given below.

Q: Briefly describe development in sea stars, including metamorphosis.

A: Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Basic…

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: describe the embryonic development of a sea star.

A: Echinoderm is a phylum of marine invertebrate animals. They have a hard exoskeleton and are radially…

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: Define the following terms with respect to mammalian development •Chormesodermal mantle •Somites…

A: Mammalian development It is defined as the process of division of cells and differentiation of cells…

Q: salamande, sea star, snail, butterfly, earthworm, roundworm, planaria, sea anemone and sponge, tell…

A: Body symmetry  is arrangement or organization of various parts of body around the central axis.…

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: 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: Describe the development of the notochord. Include the terms primitive pit, notochordal process,…

A: The Notochord is a cartilaginous skeleton that supports the body in the form of a rod. It is found…

Q: Compare and contrast gametogenesis in starfish and sea urchin.

A: Answer--

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

A: Animal phylogeny is a rapidly changing field. The biologists mostly depend on the fossils to compare…

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: Cleavage Gastrulation Neurulation Organogenesis

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: 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: Organisms that are closely related may also have physical similarities before they are even born!…

A: evidence support evolution that the fossil record, biogeography, comparative anatomy, comparative…

Q: Compare and contrast the development process of the starfish and the sea urchin.

A: Introduction:- Embryonic development: all the developmental processes from zygote to tissues and…

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: organs of reptiles and birds

A: The biological system of an organism's reproductive system, often known as the genital system, is…

Q: From what the amnion of mammalian embryo is derived?

A: Amnion is an extraembryonic membrane also known as fetal membrane along with chorion, allantois, and…

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: Compare the role of notochord in the early development of vertebrates and invertebrates.

A: introduction Animals lacking a skeletal system are known as invertebrates. As a result, the majority…

Q: prepare sketches of Four-cell sea urchin embryo

A: Sea urchins are spiny, globular animals belonging to phylum Echinoderms, in the class Echinoidea.…

Q: Draw a labelled diagram of the reproductive organs of an earthworm.

A: Earthworm is a terrestrial invertebrate belonging to the order Oligochaeta of the Phylum Annelida.…

Q: Provide and label an image of an egg that is in its early cleavage, distinguish this stage from…

A: Embryonic development: a. It is the development that occurs when the embryo is formed and develops…

Q: Distinguish two mechanisms by which flatworms supply yolk for their embryos. Which system is…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: Describe the step-by-step fertilization process in an amphibian. (Please include the structures…

A: Amphibians are the organisms that belong to the class Amphibia. As the name amphibians are Greek…

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: State the differences of the frog and human embryology.

A: Embryology is the branch of science that deals with the embryo and the embryonic development. Frogs…

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: 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: Describe the Anatomical Changes from Early to Late Stages Species Embryo (A-F) Human | Chicken…

A: Once Charles Darwin originally introduced the hypothesis that all life form descended from a common…