Define the structure of archegonium in Funaria

Q: Compare and contrast the external anatomy of the branched and unbranched forms of Equisetum.

A: Equisetum, often known as the 'horsetail' or'scouring rush,' is now made up of approximately 30…

Q: Discuss the role of the cuticle in the earthworm

A: Earthworm :- It is a terrestrial invertebrate that belongs to the phylum Annelida.  Cuticle :- It is…

Q: Define about Dryopithecus and Ramapithecus and also differentiate between Homo habilus and…

A: Step 1 Human ancestry can be traced to Dryopithecus and Ramapithecus which lived on earth about 15…

Q: Name the larvae whose larva is Rhabditiform.

A: Strongyloidiasis is a parasitic infection caused by a roundworm found in soil. These worms are…

Q: The spiracles can be opened or closed. Why might this be adaptive?

A: The respiratory system of an insect is the biological system through which it introduces respiratory…

Q: Define endoderm

A: Gastrulation is a step of embryogenesis when a cell divides. It is the stage at which the growing…

Q: Give structure of archegonial branch in Funaria.

A: The most common and widespread species is Funaria hygrometrica. It is terrestrial Moss is a common…

Q: Give a short note on scales of Labeo?

A: Fish scale is a small rigid plate that grows out of the skin of a fish.  In most of the fishes, the…

Q: Define acoelomate

A: Acoelomate are invertebrates that do not contain a coelom or a body cavity. The organisms belonging…

Q: Describe what is meant by “alternation of generations”. 2. Describe the function of the archegonium…

A:

Q: Describe the body wall of pigeon?

A: Pigeon, scientific name: Columba livia belongs to phyla avian. The body of a pigeon is spindle or…

Q: Describe structure of mature archegonium in Riccia

A: Riccia is a liverworts genus in the order Marchantiales. These plants are thalloid and small and are…

Q: Differentiate between antheridia and archegonia.

A: The sexually reproducing organisms mostly have specific structures or organs involved in the process…

Q: State whether the animal is internally segmented, externally segmented, or both.   1. Fish 2.…

A: Introduction Segmentation divide the body of animals into repetative segments. For example phylum…

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: makes short notes on the examination of the adult and larval stage of the tsetsefly

A: The mating of tsetse fly occurs on host animals. The male settle on the female back. Females are…

Q: What is archegonium?

A: Archegonium is a female sex organ that is found in bryophytes, pteridophytes and most gymnosperms.

Q: How usefull is the study of the nature of body cavaty and coelum in the classification of animals?

A: The taxonomic classification of living beings with the level of complexity is called as hierarchy.…

Q: Why can the amphibiancirculation be classified asdouble and incomplete?

A: The system which is primarily meant for the circulation of substances through body fluids is…

Q: Define ecdysis

A: A rapid and complete transfor­mation from an immature larval life to a sexually adult form involving…

Q: Write down the division between agnatha and gnathostomata?

A: Phylum Chordata is characterized by its five anatomical features including a notochord, pharyngeal…

Q: Differentiate between Monohybrid and Dihybrid.

A: A genetic cross is the deliberate breeding of the two different individuals which results in…

Q: Define metamorphosis.

A: Tadpole could never become frogs if metamorphosis did not occur, and larvae could not be capable of…

Q: Embryo above pictured here is a/an O A. blastula O B. gastrula O C. planula O D. zygote

A: Human embryonic development refers to the development of embryo. It involves the process of cell…

Q: Identify structure A in this image of the dissected shark (view is of roof of mouth).

A: The shark is a cartilaginous fish that belong to the class Chondrichthyes. They have a two-chambered…

Q: Define cloaca in class-amphibia?

A: Vertebrates are animals that are characterized by the presence of well-developed notochord and nerve…

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,…

Q: What is a cysticercus in Class Cestoda?

A: Platyhelminthes are the groups of invertebrates organism which do not possess coelom and are also…

Q: Protostomes and deuterostomes typically differ in

A: Protostomes are clade of animals containing phyla including the arthropods,annelids and…

Q: 10 20 30 50 60 80 90 Make a sketch of the slide at 40x and label the following structures:…

A: In ferns and mosses, the female reproductive organ is called as the Archegonium. Archegonium is also…

Q: Differentiate Protostomes from Deuterostomes in terms of germ layer formation

A: The most significant difference between protostomes and deuterostomes arises due to the…

Q: Differentiate Protostomes from Deuterostomes in terms of the formation of cleavage

A:

Q: Examine the following series of words and identify what kind of amutation occurred in each, starting…

A: Mutations are the changes in the sequence of bases in DNA or RNA that can result in synthesis of…

Q: Explain the structure and functions of the mollusk mantle.

A: Mollusks are a phylum with a wide range of species. Mollusks can be as little as a grain of sand. A…

Q: Compare and contrast the chelicerae of spiders, scorpions, and horseshoe crabs.

A: Chelicerae looks at a collection of species including ticks, spiders, and horse crabs. The prosoma…

Q: Identify the phylum in which adults exhibit radial symmetry and larvaexhibit bilateral symmetry.

A: Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia. Kingdom…

Q: Give a short note on the shark's musculature?

A: Sharks are the bony fishes which is predatory and carnivorous in nature. They are found in almost…

Q: Describe the two major protostome clades and give a diagnostic feature for each

A: The term protostome is from the Greek word meaning "first mouth": "Proto" meaning first and "stoma"…

Q: Make a sketch of the side at 100x and label the following structures. archegonial head, archegonium…

A: Mosses are Bryophytes with an independent, free-living, photosynthetic gametophyte(haploid;n). Their…

Q: Define mammary gland with examples in class-mammalia?

A: Vertebrates: These are those organisms that consist of the notochord or vertebral column in the…

Q: Differentiate between Agnatha and Gnathostomata

A: Step 1 Vertebrate is the largest subphylum of Chordata in which the notochord in the embryo is…

Q: the area pellucida and area opaca.

A:

Q: Describe the process of torsion in gastropods, and explain its significance.

A: The gastropods, normally known as snails and slugs, have a place with an enormous ordered class of…

Q: Define cellular blastoderm

A: The blastula is made up of a single layer of embryonic epithelial tissue called a blastoderm…

Q: A true coelomn is completely lined with

A: Answer: Coelom : It is the cavity like structure found in the mammals which lies between the body…

Q: Using the description in the background information of this lab, what terms would you use to…

A: There are two multicellular stages in the life of cladophora- haploid gametophyte and a diploid…