Identify the three embryonic tissue layers of bilaterally symmetrical animals.

Q: What are the functions of large intestine bacteria?

A: The large intestine:It lies in the abdominal cavity specially between the region of small intestine…

Q: Which are the germ layers present in cnidarians? Which tissues of the animal do they originate?

A: Cnidarians, also known as coelenterates are mostly marine organisms and includes corals, hydras, and…

Q: Determine in detail about four extraembryonic membranes of amniotic eggs of birds as well as other…

A: Introduction: The extraembryonic membrane aids in the development of the embryo. These membranes are…

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: How is the mesoderm(third germ layer) oftriploblastic animals formed?

A: The germ layers develop early in embryonic life, through the process of gastrulation. Triploblastic…

Q: Draw a skull of a mammal and identify which parts are the Chondrocranium or Nuerocranium,…

A: The embryonic parts of the mammalian skull are:  Chondrocranium (Nuerocranium): it is made up of…

Q: The cnidaria, jelly fish, are the first organisms to exhibit? a) an ectoderm layer b) endoderm layer…

A: The earliest animals with muscles and nerves that could produce behavior were cnidarians.…

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: Define embryonic development and body plan

A: Embryonic development: refers to the morphological and biochemical changes taking place during the…

Q: List four differences between protostomes and deuterostomes.

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

Q: Briefly describe axis formation in vertebrates.

A: Introduction: Any animal belonging to the subphylum Vertebrata, the most common subphylum of the…

Q: Define the Reproduction and Development of Grasshopper ?

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

Q: Discuss all the processes involved in the development of the following organs: 1. Insect wing and…

A: The human body is considered to be comprised of different forms of organs responsible for performing…

Q: In no more than 400 words name the FIVE levels of organisation in animal complexity AND explain how…

A: The 5 grades of organization are as follows: • Protoplasmic • Cellular • Cell-tissue • Tissue-organ…

Q: Describe the differences between protostome and deuterostome development.

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

Q: What is the major difference between the notochord and the neural tube?

A: The notochord is a cartilaginous, skeletal structure that supports the body's growth in all…

Q: (A) Explain clearly the developmental and evolutionary significance of the neural crest within the…

A: Neural crest: it is found in vertebrates. Neural crest cells are derived from ectodermal layer of…

Q: identify the characteristics of the invertebrates  (Mollusca, Annelida, Arthropoda, Echinodermata)

A: The animals are the heterotrophic organisms found on the planet. They are divided into various phyla…

Q: Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and…

A: (a) radial and bilateral symmetry -  Bilateral symmetry is where the left and the right sides of the…

Q: Define what is vertebrate ?

A: Vertebrate is a subphylum of chordata which have vertebrae and backbone in them

Q: describe early development in amphibians, including the processes of cleavage, blastula formation,…

A: The egg of amphibians is huge and consists of two hemispheres: upper dark hemisphere called the…

Q: In mammals, distinguish and differentiate the following germinal layers. Identify the organs that…

A: Introduction :- Mesoderm interacts with endoderm and ectoderm during organogenesis to give rise to…

Q: name and describe the two main lineages within the protostome animals?

A: The kingdom Animalia breaks down into two subkingdoms, Parazoa and Eumetazoa. Parazoa includes…

Q: A в

A: Amphioxus also known as Lancelets belongs to sub-phylum Cephalochordata. It consists of around 30-35…

Q: Differentiate extraembryonic and intraembryonic coelom in terms of location in embryos. Provide…

A: Coelom It is defined as the main body cavity present in most organisms. It is the mesodermally lined…

Q: Are humans plantigrade or digitigrade?

A: Human evolution explain the many mysterious fact about evolving humans from their ancestors apes

Q: Bilaterally symmetrical animals have________embryonic tissue layers, known as________ ,___________,…

A: The embryo undergoes various types of changes in order to form a developing fetus. During the…

Q: The “heart” of arthropods is located (ventrally/centrally/dorsally/sagitally)?

A: The “heart” of arthropods is located dorsally.The arthropods are known to possess an open…

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: if an animal has no discernable plane of symmetry, then it would be: a)roundly symmetrical…

A: Symmetry is an essential part for dividing the organisms into different kingdom.

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: Which of the following correctly describes the cleavage pattern in reptiles, birds, and fish?…

A: Cleavage is the process of cell division in the developing embryo following fertilisation in…

Q: Which of the following is an embryonic tissue found in animals?

A:

Q: Plane dividing a bilateral animal into mirror image halves: O oblique plane O midsaggital cross…

A: Different organism have different symmetry based on their plane of division and the formation of two…

Q: Distinguish between the notochord and neural tube.

A: Fertilization is the first stage in the development of an embryo. The diploid cell called zygote is…

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,…