How does the animal regulate the temperature of its scrotum during hot and cold climatic conditions?

Q: Name the organ of sexually reproducing animal.

A: Sexual reproduction is the production of a new organism in which the male gametes fuse with a female…

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: Why do most zygotes develop after certain amount of embryo is formed?

A: The embryo is the early stage of the development of multicellular living beings. A fertilized egg…

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: Why Do So Many Animals Reproduce Sexually Rather than Asexually?

A: Reproduction (or reproduction or reproduction) is a biological process in which new living things -…

Q: Describe the process involved in hermaphrodite reproductive strategy in chaetognatha.

A: Chaetognaths also called as arrow worm because of its shape as torpedo or arrow. These are dominant…

Q: How are mammalian extraembryonic membranes formed?

A: The layers encircling the embryo inside the uterus are known as extraembryonic membranes. The…

Q: What primary germ layer gives rise to the notochord? What is the function of the notochord?

A: Notochord It is a flexible, rod shaped body found in embryos of all chordates.

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: How are the primary and secondary neurulation similar? How do they differ?

A: According to the question we have to explain the similarities and differences between primary and…

Q: Describe the Gastrulation in Caenorhabditis elegans.

A: The study of embryo development is known as embryology. This covers the transformation of a…

Q: Describe the various methods of asexual reproduction in Ulothrix.

A: Ulothrix genus is a fresh water green algae found in ponds and lakes. The cells contain a distinct…

Q: How could you tell if a prepubertal female had an overly active zona reticularis?

A: Adrenal gland cortex is divided into  Zona glomerulosa Zona fasciculata  Zona reticularis  Zona…

Q: Why are the offspring of a male and a hermaphrodite more variablethan the offspring of a…

A: Hermaphrodites in reproductive biology are organisms that have both male and female sex organs. For…

Q: Explain the Type of protostome that produces atrochophore larva ?

A: Larvae are seen across the animal kingdom and are a specific juvenile form before they metamorphose…

Q: What are the function of multiple ovulution embryo transfer technology?

A: Introduction  Multiple ovulation embryo transfer (MOET) is the technique for ET (Embryo transfer).…

Q: Define common prostatic and spermatic duct on earthworm?

A: Earthworms are hermaphrodites but they cannot fertilize their own eggs because of the relative…

Q: How does the difference in size and cellular contents between spermand eggs relate to their specific…

A: Ovum is the female gamete, in which the cells are rounded spheres and non-motile, and they are not…

Q: What benefit would being a hermaphrodite confer on a specific species?

A: Reproduction is a biological process through which an organism produces organisms (young ones) of…

Q: Why is sexual reproduction useful if only half the animals can produce offspring and two separate…

A: Sexual reproduction may be a sort of reproduction that involves a complex life cycle within which a…

Q: What is the function of the tube feet?

A: Tube feet are the special type of structure found in echinoderms such as sea stars, brittle stars…

Q: Identify four functions of invertebrate neurohormones and describe the regulation of insect…

A: The four functions of invertebrate neurohormones are as follows- 1. Reproduction 2. Molting3.…

Q: Give position and structure of female sex organ in Riccia

A: Riccia: It is also known as the floating crystal wort. It is called as the floating crystalwort…

Q: Under what conditions does evolution select for sexualreproduction in C. elegans?

A: Evolution selects for sexual reproduction in C. elegans in the presence of parasites like…

Q: What is the difference between simultaneous and sequential hermaphrodites?

A: Hermaphrodites are organisms that possess both female and male genitalia. This condition is called…

Q: What is the differencebetween spermatids andsperm cells? What is the nameof the transformation…

A: Male reproductive organ involves testes, scrotum, spermatic ducts, and prostate glands. Testes…

Q: What are the flask shaped female sex organ in mosses called?

A: Mosses are the non-vascular plants that reproduce via spores. These organisms form a separate phylum…

Q: Describe the mode and mechanism of nematocyst discharge in Cnidari

A:

Q: What is the evolutionary advantage of the occurrence of sperm cells and larval stage in the life…

A: All sponges belong to Porifera. They are the simplest animals with cellular level of organization.…

Q: How does oviposition occurs in female frugs. Provide the pathway involved in the oviposition process

A: The female reproductive system consists of ovaries and oviducts. A pair of ovaries located near the…

Q: Generally how does a maleanimal realize that the femaleis receptive to copulation?

A: A social sign might be viewed as any standard of conduct that adequately passes on information…

Q: Name the sex cells of sexually reproducing animal.

A: Sexual reproduction is the production of a new organism in which the male gametes fuse with a female…

Q: Explain the functions of the parts observed in the image that relatw to the male reprudctive system.…

A: Fetal pigs are unborn pigs that are generally used for dissection and are used to study mammalian…

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: How is fecundation done in insects (external or internal)? Is there copulation between insects?

A: Fecundation, also known as fertilization involves the physical union of the male and female gamete…

Q: Name a single highly coiled tube where sperms are stored gets concentrated.

A: The male sex accessory duct includes rete testis, vasa efferentia, epididymis and vas deferens. The…

Q: why does a high concentration of Abscisic acid (ABA) inhibit elongation of the coleoptile segments?

A: According to the question, we have to explain the reason behind the inhibition of elongation of…

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: Function of urino genital duct in male reproductive system of frog?

A: Vertebrates have spinal cord which remain surrounded by bone or cartilage. Reptiles, birds, fish,…

Q: How does the embryo turnfrom gastrula into neurula?How is the neural tubeformed? What is…

A: The gestation is period refers to the time during which zygote develops to the foetus. The gestation…

Q: IDENTIFY: A specialized receptive structure that guides the male gamete for fertilization in the…

A: Sexual reproduction in genus Polysiphonia takes place by fusion of non-motile male gamete with…