Identify four functions of invertebrate neurohormones and describe the regulation of insect development.

Q: Write notes on holometabolous development

A: Metamorphosis is the biological mechanism by which an animal physically develops after birth or…

Q: What Are the Structures and Functions of the Mammalian Endocrine System?

A: The endocrine system includes ductless glands that facilitate the direct release of hormones into…

Q: pathways during

A: Introduction : Oviposition :-It involves the deposition of the mature egg outside the body of the…

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: Give the differences between mammalian and frog oogenesis. OOGENESIS MAMMAL FROG 1.     2.     3.…

A: The difference between the mammalian and amphibian (frog) oogenesis are as follows:

Q: Why does the dispersion or contraction stage of the developmental cycle assume a complex character

A: Family development is a notional methodology for the orientation of the research and set an abstract…

Q: Differentiate between following. a. specification and determination in development b. anisogamy and…

A: a. specification and determination in development If a cell/tissue is capable of differentiating…

Q: Discuss how and why the queen honey bee aborts the worker bees' sexual maturation.

A: * Basically honey bee Colony have three types of honey bees namely  Queen bee Drones Worker bees…

Q: oogenesis.

A: oogenesis -In the human female reproductive system, growth process in which the primary…

Q: Describe the role of the SRY gene in mammalian sexual development.

A: The human male genital or reproductive system has two sections, the external and internal male…

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

A: The Scrotum is a sac of skin that hangs from the body at the front of the pelvis , between the legs.

Q: Describe the Gastrulation in Caenorhabditis elegans.

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

Q: What Role Do Hormones Play in Making a Mammal Male orFemale?

A: Hormones are signaling molecules produced by glands that are transported via the bloodstream to the…

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: Contrast the biological advantages of hermaphroditism that involves cross-fertilization with…

A: Hermaphroditism is referred to as intersex which is a condition in which there is a discrepancy…

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: Give two examples of invertebrate hormones that regulate metabo-lism.

A: Invertebrates are group of animals that do not have a vertebral column. These animals possess an…

Q: Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with…

A: Reproduction is the biological process where new individual organisms (offspring) – are produced…

Q: The ______ carries food and water to the developing zygote.

A: Nutrients are necessary for maintaining the growth of the embryo. In plants, the endosperm is the…

Q: Describe hormonal control of metamorphosis in insects, including the action of each hormone and…

A: Metamorphosis is a biological phenomenon that involves physical changes in the animal after it has…

Q: Compare and contrast the mechanisms of egg activation in internal versus external fertilization.

A: Fertilization is part of sexual reproduction, responsible for the fusion of gametes. In case of…

Q: Define(a) Juvenile phase,(b) Reproductive phase,(c) Senescent phase.

A: In many animals, the life cycle of the organism may include many stages like the juvenile phase,…

Q: Identify the functions of the three major hormones that controlgrowth and development in insects.

A: Hormones are chemicals that are secreted by certain types of glands and perform various…

Q: Explain how the three hormones involved in insect growth— ecdysone, juvenile hormone, and…

A: The class Insecta undergo morphological and biological changes after birth through the process of…

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

A:

Q: oviposition for

A: Oviposition is the process of expelling eggs from the oviduct to the external environment.

Q: Briefly describe the reciprocal signal transduction pathways that establish parasegmental boundaries…

A: Drosophila embryogenesis, is a process by which fruit fly (Drosophila) embryos are formed, is a…

Q: In identifying the marginal cells of the tunicate embryo, which of the following is the role of the…

A: The seas squirts are examples of tunicates which are a type of invertebrates found in Marine…

Q: Please describe the role of estradiol, prolactin, luteinizing hormone, progesterone and inhibin in…

A:

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: t is the role of progesterone in the vertebrate body?

A: Progesterone is a hormone released by the Corpus luteum in the ovary. Oestrogen is mainly secreted…

Q: Name the pituitary hormone responsible for the following action: • essential for egg release from…

A: Pituitary is the smallest endocrine gland located just below the hypothalamus. These are the…

Q: Explain the action or effect of moult-inhibiting hormone in insects development (exclusively in…

A: Molt-inhibiting hormone (MIH) is a principal endocrine hormone regulating the growth in crustaceans.

Q: Cite two examples of hermaphrodites and their means of preventing self-fertilization.

A: It is critical to learn and know the anatomy and physiology of the body. Many changes in the animal…

Q: Give the diagrammatic representation showing endocrine glands of a frog?

A: A creature's endocrine framework controls body measures through the creation, discharge, and…

Q: Molluscs are capable of reproducing asexually

A: Mollusks belong to the kingdom animalia and belong to mollusca phylum. They are second largest…

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 fertilization of sea urchin from Recognition of egg and sperm, Gamete fusion

A: NOTE:- As you have mentioned multiple parts in one question, we will solve the first three parts for…

Q: How does the insect circulatory system carry out physiological insect defence mechanisms? Is there a…

A: The circulatory system present in insects differ from the circulatory system found in human body. An…

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: Explain the wingless and hedgehog feedback mechanism that is used to pattern the fly embryo.

A: ANSWER;-The wingless & hedgehog that is used to pattern the fly embryo. Wingless:- Its earliest…

Q: Parthenogenesis is the most common form of asexualreproduction in animals that at other times…

A: Asexual reproduction is a type of reproduction in which offspring are produced without the fusion of…

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: Describe the hormonal control of human male reproduction system with the help of a flow chart &…

A:

Q: Describe each stage of the development from fertilized egg to blastocyst stage

A: Fertilization is an important part of sexual reproduction. The nucleus of the male gamete or the…

Q: How hormones affect different classes of vertebrate?

A: Hormones are chemical substances that act like messenger molecules in the body.

Q: Label the parts of the Amphibian Spermatogenesis and Oogenesis.

A: Oogenesis is the process of formation of ovum from germ cells in female ovaries.

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: Briefly summarize the main phases of animal development from fertilization to organogenesis, and…

A: After a sexual intercourse , the fertilization process takes place. Once the fertilization takes…

Q: Draw the Taenia solium egg and adult

A: Tinea sodium is also known as the pork tapeworm. It belongs to a cyclophyllid cestode family of…

Q: Give a short note on endocrine glands of pigeon?

A: Endocrine glands are those glands whose secretions are directly poured into the bloodstream as they…

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…