Compare and contrast polyp and medusa form. How is the polyp form advantageous over medusa and vice versa?

Q: What are the spaces in between traceculae important for?

A: Trabecula can be defined as the small,  microscopic, tissue element that occurs in the form of a…

Q: Give the digrammatic representation showing Reptilian claw?

A: The air-breathing vertebrate organisms are covered by a special skin of bony plates, scales, or a…

Q: domestic pig under the genus "Sus"

A: The organisms of the ecosystem have significant properties. Depending upon the different features of…

Q: What is the significance of the notochord?

A: Chordates includes all animals containing a vertebrate or a backbone. Two groups of the…

Q: Which organ of man is homologous to the wings of birds? Justify your answer.

A: Organs apparently similar or dissimilar in structure and function but of similar embryonic origin…

Q: explain epistasis in retrievers. use a punnet square.

A: Epistasis could be a development in genetics during which the result of a gene mutation depends on…

Q: Distinguish between polyp and medusa forms.

A: The phylum cnidaria comprises approximately 9000 species. It includes hydra, jellyfishes, sea…

Q: Compare and contrast polyp and medusa form. How is the polyp form advantageous over medusa and How…

A: Basically Cnidarians have two body shapes one is polyp form and the other is medusa form. Some…

Q: Explain the development of a feather?

A: The epidermal growths which form distinct outer covering or plumage in aves are known as Feathers.…

Q: Which of the following is not a synapomorphy of craniates?

A: Craniates are a group of chordates that includes many organisms that have a cranium or a braincase.…

Q: Compare the features of “Ardi” with those of “Lucy.”

A: The fossils belong to have been found for more than 6,000 individuals along with the rapid footstep…

Q: What is the location of barbels in Labeo?

A: A barbel is a characteristic feature in fishes and turtle. They are slender, cylindrical shaped…

Q: Give the digrammatic representation showing Vertical section through tooth of frog?

A: The teeth of frogs of conical in form. The teeth are meant for self-protection. Generally, frogs…

Q: What type of scale is found in Scoliodon?

A: Scoliodon is a marine shark , also known as Dog fish due to it's dog like protruded snout . Phylum…

Q: Have the headfold and tailfold fuse to form the amniotoc cavity? Why yes, or why not. Discuss.

A: The amniotic cavity is a closed sac that contains the amniotic fluid between the embryo and the…

Q: What is the function of bud scales?

A: Vegetative reproduction (otherwise called vegetative proliferation, vegetative increase or cloning)…

Q: How many zygotes do humans have?

A: A zygote is a eukaryotic cell formed after the fertilization between two gametes, the sperm cell,…

Q: choose between the tiven

A: Introduction An ecosystem is a geographical area in which plants, animals, and other species, as…

Q: What are the features used to identify a male cockroach from a female cockroach?

A: Cockroaches are insects which also includes termites. They belong to kingdom-Animalia. About 30…

Q: Define Chordata

A: A category of an animal which consists of notochord and vertebral column. Chordata is an group or a…

Q: Why is it important to know the sex of the frog? and why do we study the external features of the…

A: Frogs are the animals belonging to phylum amphibian. There as called so because they can survive on…

Q: "Neanderthals have revealed interesting elements of the human genome". What are those elements ?

A: Neanderthals are the first hominid fossils. Their morphology is similar to modern humans. The modern…

Q: Explain how larger Horns in the males of dung beetles could have evolved?

A: The dung bettles are the type of beetles that feed on the dung and the faeces.  The male has a horn…

Q: what is the symmetry of the organism navicula? explain

A: Navicula has bilateral symmetry.

Q: Why was the medusa stage lost in some cnidarians? Do you think it is more advantageous

A: Solution : In the phylum Cnidaria, which includes jellyfish and sea anemones, polyp and medusa are…

Q: Is there any relationship among fish lice, bird lice, and land mammals, except that they are lice?

A: The living world produces a diversity of organisms and their various relationships which are between…

Q: a. Describe several uses of horsetails b. Give the description of elaters and describe their…

A: Horsetail (Equisetum arvense) is an herbal plant used as a remedy. It grows wildly in Northern…

Q: Which type of tail is present in Scoliodon?

A: Fishes are gill-bearing aquatic vertebrate animals. The earliest organisms that can be first…

Q: Give the digrammatic representation showing Hand of the frog?

A: Frog is a member of the carnivorous group, they are short bodies and tailless.

Q: Compare the anatomy of the butterfly and bird wing below. butterfly wing bird wing 1. What is the…

A: Evolution is the process of change in the heritable characteristics of organisms over multiple…

Q: What are the advantages/disadvantages of being a polyp? A medusa? What structures are similar to…

A: A polyp in zoology is one of two structures found in the phylum Cnidaria, the other being the…

Q: Give the digrammatic reprsentation showing a leeping frog?

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

Q: What are the characteristics of a female mud crab ( Scylla serrate) on its mouth (Buccal) Frame?

A: The scientific name of the mud crab is Scylla Serrata. It is found in mangroves. Generally, a mud…

Q: What are the external characters of Labeo?

A: Labeo belongs to phylum chordata and sub-phylum vertebrata. It belongs to class teleostomi. Its…

Q: You have received a number of embryos of a bilaterian animal from a colleague, who has asked for…

A: The symmetry of an organism is the plan of the body. It can be of following types: 1) asymmetrical…

Q: ANSWER BOTH QUESTION! #1. Discussed area vitellina #2. Is the primitive stalk still present? Why or…

A: The part of the yolk sac that does not yet contain mesoderm cells is known as the area vitellina.…

Q: What type of centra does a tilapia have? what type of tail does a tilapia have?

A: Tilapia is a type of fish belongs to the family cichlidae . They are fresh water fishes found in…

Q: The egg of a fish is what type of chordate egg and why? a. isolecithal b. telolecithal with total…

A: All fish eggs are surrounded by using an envelope, referred to as the zona pellucida (ZP), that…

Q: What change occurred in the shape of the horse from Hyracotherium to Equus?

A: Introduction  Horses are evolved in North America. Primary centre for horse evolution were great…

Q: А C

A: Morphology: The metacercariae, O. felineus has the similar morphology to those of the liver flukes.…

Q: What is the difference between old world monkey and new world monkeys?

A: The most advanced placental mammals are the primates. Primates are mammals that lead an arboreal…

Q: Difference between peteropus and macropus?

A: The viviparous animals produce young one directly by developing them in the mother’s body. The…

Q: What makes a (domestic) pig be under the family "Suidae"? In other words, what are the…

A: The domestic pig, often called as swine, hog, is a large, domesticated, even-toed ungulate. It is…

Q: How is the dorsal lip of the blastopore similar to the primitive streak? How are they different?

A: Cell movements in gastrulation cause a major rearrangement of the embryo, transforming it from a…

Q: Name two different species of cattle.

A: Cattle is a plural term that in general refers to all bovine animals which include cows, buffalos,…