Ecdysis is a process that; (Bubble both that apply)

Q: The brain and spinal cord develop from a longitudinal ectodermal channel called the _____.

A: Brain and the spinal cord consists of the central nervous system of the body and the nervous system…

Q: Discuss how the development of an artifi cial placenta is an important step in the study of…

A: The artificial placental involves the fruitful transportation of a hatchling weighing somewhere in…

Q: Each egg cell develops in its own fluidfilled space called a/an _____.

A: Each egg cell develops in its own fluid-filled space called a/an Follicle. The follicle assumes a…

Q: Which process occurs between the zygote and the embryo stage

A: Fertilization is the process of fusion of the male gamete and the female gamete, resulting in…

Q: Refer to the class notes regarding the inheritance of the direction of snail shell coiling and then…

A: The coiling pattern in case of snails is governed by the factors present in the female's cytoplasm,…

Q: Meroblastic cleavage is typical of embryos formed from _______________ eggs. (a) moderately…

A: The egg is the vessel of the zygote, in which an embryo develops until it becomes mature enough to…

Q: A single tentacle has several nematocysts which can be viewed as small bumps on the surface of the…

A: Cnidarians are a group of diploblastic and radially symmetrical animals. They possess special…

Q: Read following statements w.r.t. cockroach and choose the option which correctly states true and…

A: Cockroaches are insects that belong to the order Blattodea. There are 4600 species of cockroaches…

Q: The _______ is an important structure for waste storage in birds and some mammals, but not in…

A: Extraembryonic membranes are the layers enclosing the embryo inside the uterus. There are four…

Q: The bladder like structure in the amniotic egg

A: The allantois (plural allantoides or allantoises) is an empty sac-like design loaded up with clear…

Q: Hydroids resemble tracheids in the fact that they are living at maturity. O True • False Question 10…

A: Hydroids are specialized cells present in certain mosses that help in transporting water and…

Q: Female athletes who train intensively often stop menstruating. The important factor appears to be…

A: The reproductive health of individuals is also one factor to determine the overall health of the…

Q: Fill in the blank:  The ___________________ gives rise to the umbilical blood vessels.

A: The conduit that resides in between the fetus and the placenta is called umbilical cord. It is…

Q: At the end of the 3rd month (12th week) of intrauterine life one of the following is not yet…

A: Fertilization is the process by which the male gamete (sperm) fuses with the female gamete (egg)…

Q: During the creation of eggs, only one egg will be viable, the other 3 eventually break down. What…

A: Oogenesis is divided into three stages, which are the Multiplication phase, growth phase, and…

Q: All of the following develop from the same germ layer, except__________."     circulatory system…

A: Except epidermis,all of the germ layers derived from the same germ layer.  Circulatory system,…

Q: In spiders, excretions of wastes from the body is handled by (mark all that apply) the Malpighian…

A: Spiders are members of the chelicerates group, the arachnids. They are the largest order of…

Q: Arthropods are known for displaying "tagmosis", which means that arthropods have tagma. The tagma of…

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: Which organism is a male? Neither A nor B are males. Both A and B are males. A only. B only.

A: Cephalochordata is a subphylum of Chordata. This subphylum includes lancelets. They are slender,…

Q: 19. 20. 21. 22. 23. 24.

A: Corolla forms the accessory whorls of the flower. It is composed of bright-colored petals that…

Q: In protostomes [Select] cleavage occurs and it is [ Select ] In addition, in protostomes th v […

A: Protostomes are groups of animals sharing common ancestors and have a true body cavity (coelom).…

Q: In animal gamely he did, a single primary spermatocyte generates blank sperm, while single primary…

A: The meiosis is the cell division process by which a diploid (2n) mother cell divides its nucleus…

Q: Which of the following features are correct regarding this female organism? (several answers must be…

A: Mammals are characterized by presence of mammary gland which present in female for milk production…

Q: Pathway (in order) of the following in the frog: a. urine b. egg cells c. sperm cells

A: Introduction :- In sexual reproduction, sperm is the male reproductive cell, or gamete (forms in…

Q: One of the hypotheses is that a chimera formed from the fusion of two separately fertilized oocytes.…

A: Fertilization is a process that is the fusion of two gametes, one from the male and one from the…

Q: A В Which of the following lacks setae? C O A. ОВ. B.

A: Phylum Annelida exhibit great diversity of body forms comprising approximately 17000 species. They…

Q: QUESTION 2:  Define the following: Parapodia: Chaetae: Metanephridium: Septa:

A: All the given formations are found in annelids.

Q: Choose the correct answer from the choices below: Question: The queen ant when it fertilizes the…

A: Given: The queen ant is also known as gyne. It is an adult female reproducing ant in an ant colony.…

Q: The tertiany structure of a proteln is establised by.

A: Primary Structure of protein is a linear sequence of amino acids that is linked by peptide/amide…

Q: of Traits and Species Rhesus Snapping Kangaroo Lamprey Bullfrog Human Tuna Monkey Turtle Dorsal…

A: Cladogram A cladogram is the phylogenetic tree representation that depicts the evolutionary…

Q: Which among these insects secrete seducin by the male which both attracts and pacifies the untamed…

A: All insects secrete pheromones to attract the opposite sex.  Bombus lapidaries, a bee, release…

Q: Which of the following are present in members of Class Cestoda? Select the correct response(s):…

A: They are morphologically characterized by a ribbon-like body composed of a series of segments called…

Q: Taenia saginata is produced after ingestion of the Taenia egg O True O False

A: T. saginata  is commonly known as beef tapeworm. It is a zoonotic parasite which can infect humans…

Q: Briefly describe the function  of the following:  - epididymis

A: The epididymis is a single, long coiled duct that courses along the posterolateral side of the…

Q: he tephritid fly Zonosemata vittigera has dark banded wings which it waves possibly to escape…

A: Mimicry  In biology mimicry is a natural phenomenon which is adapted by the organism in order to…

Q: This is the outermost layer that protects from water loss but allows for gas exchange: amnion…

A: An embryo is present at an early stage of the development of a multicellular organism. The formation…

Q: Fill in the blank:  The ___________________ and allantois function to form blood cells during the…

A: Blood is a body fluid in humans and animals that circulate throughout the system carrying essential…

Q: likely to happen if there are any errors during thae gastrulation stage

A: Embryo development The embryo develops in 4 major stages which are, fertilisation cleavage…

Q: An early stage embryo consisting of mutiple layers is a blastula O True False

A: In mammals, a blastula is an initial phase of embryonic development.

Q: Ctenophores are carnivores. O True False

A: The animals are characterized by different attributes like presence of cilia, combs, pores, fins,…

Q: Which is not true of both platyhelminths and xenacoelomorphs Group of answer choices acoelomate…

A: Platyhelminthes are flatworms having many classes of triploblastic and are acoelomate flatworms that…

Q: Bristle-like structures that provide traction for annelids are called chaetae cilia hair cells

A: Annelids are large phylum; it contains more than 22000 species, such as earthworms, ragworms, and…

Q: Why scientist are not allowed to culture headless baby. What makes it immoral?

A: Culturing microorganisms is generally done with the help of a parent strain and a rich media that…

Q: The outermost (most superficial) extra embryonic membrane is____ a ) Allantois b ) Amnion d )…

A: Extraembryonic membrane are the membrane which is formed around the growing embryo and is involved…

Q: This question pertains to frogs  Females arriving at the breeding pond may be encountered by males…

A: Amplexus is a mating behavior shown by species of anurans (frogs), newts, and horseshoe crabs. The…

Q: Order the events leading to the sperm's nucleus fusing with the egg's nucleus.   Question 1…

A: Fertilization is defined as the union of sperm and ova. Fertilization leads to formation of zygote.

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: Which of the following helps Human sperm with locomotion? a) Flagellum ) Rasal hody.

A: Sperm cells are small, mobile cells produced in large quantities by the male reproductive system.…

Reproductive system infection

The biological process through which parents produce new children is called reproduction. A reproductive system is a group of internal and external organs that collaborate to allow males and females to reproduce. Many experts believe that the reproductive system is one of the most important systems in the body due to its crucial function in the survival of the species. Among the body's basic systems, the reproductive tract is the one that differs the most between sexes, and it is also the only one that does not operate until puberty.