How does the head of Dugesia move differently from the tail?

Q: what are the type of appendages/ external structures of a mung bean?

A: External structure of a mung bean :  Mung bean is an erect or sub-erect herb with height of…

Q: What are zoonoses? Whatare some examples ofzoonoses transmitted bybirds?

A: Infection can be transmitted by vectors of reservoirs that carry the infectious agent in them. The…

Q: What is the phylum of scoliodon?

A: Introduction  Scoliodons are commonly called as Shark or Dogfish. They come under kingdom animalia.…

Q: Explain in detail the external characters of Scoliodon?

A: Class Chondricthyes includes the cartilaginous fishes. The fishes bear endoskeleton made up of…

Q: What are the features of trabeculae?

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: What are the lateral linesof fishes?

A: Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates include…

Q: What structural system is unique to the phylum Echinodermata?

A: Echinoderms:              Marine invertebrate animals characterized by a hard, spiny covering or…

Q: Sea Star  What is the function of the eye-spot?

A: Eye-spot small red spot on the tip of each arm; sensitive to light.  These are light-sensitive…

Q: Where do Petromyzon and ammocoetes live?

A: Biodiversity is the diversity in living organisms that exists in a particular region or area. It…

Q: what was chracteristucs define the genus homo?

A: HOMINIDS:- Hominid are known as apes. This hominid belongs to the  Hominidae family includes a…

Q: What environment would you find an echinoderm?

A: Echinoderms have the following characteristics- 1. They are bilaterally symmetrical. 2. They have a…

Q: Describe the term compound eye and head in external feature of frog?

A: Introduction: Frogs, widely found in India, are carnivorous, vertebrate animals devoid of tail. Rana…

Q: How do the gills of Labea and Scoliodon differ?

A: The genus Labeo includes oily fishes that inhabit the freshwaters. They are classified under the…

Q: How does modification of the insect legs/limbs better equip the insect to survive in a given…

A: Introduction :- Modifications are alterations or differences in the DNA of organisms of the same…

Q: When do ulothrix releases zoospore?

A: Organisms belonging to the genus Ulothrix are categorized in the phylum Chlorophyta of Kingdom…

Q: Which part of opuntia is modified to form spines?

A: Plants do not show locomotion, so in order to survive in the environment, they undergo several…

Q: What are three shared derived characters of deuterostomes?

A: Animal phylogeny is a rapidly changing field for biologists. Even if the members of the animal…

Q: What is the normal size of a rotifer, where is it found, and what are its major features?

A: Rotifers are called wheel animals and are pseudocoelomate animals. These are generally free-swimming…

Q: What does a milkweed bugs mouth look like

A:

Q: What is labelled diagram of Strongylus edentatus?

A: Answer: Introduction: Strongylus edentates. It is parasite in the phylum nematode eukaryotic…

Q: What are the external characters of Rana?

A: Rana is a genus of anurous batrachians, including the common frog known as the Holarctic true frogs,…

Q: Are all ‘choanates’ also amniotes?  Are all amniotes in the group Choanata?

A: Introduction: Any animal affiliated to the subfamily Vertebrata, the most common subphylum of the…

Q: What are the tagmata of arachnids, and which tagmata bear appendages?

A: Arachnida is a class of phylum Arthropoda. The members in class Arachnida are called arachnids. The…

Q: What is tape worm and its structure?

A: Worms can be divided into several groups, but are still technically decomposers. The first of these,…

Q: What is clasper in scoliodon?

A: Scoldion or the Dogfish belongs to the shark family.

Q: what is the symplesiomorphic character of deuterostomes? explain

A: The study of links between various groups of species and their evolutionary development is known as…

Q: What is the system that permits movement and fixation to echinoderms?

A: These form a well defined and successful group of marine animals which live at the bottom of all…

Q: Are the Blue sea star spines/spinelets conical or flattened?

A: Blue sea star or Linckia laevigata are the species of sea star that inhabits in the superficial…

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: Draw the structure of orinthorynchus, macropus,pteropus,balenoptera?

A: Step 1 The class mammalian is a group of homoiothermic tetrapod vertebrates which have a covering of…

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: How does cryptobiosis in tardigrades increase the likelihood of survival?

A: Water bears, called tardigrades, are the water-dwelling microscopic invertebrates.

Q: Echinodermata / star fish On which surface would you find the mouth?

A: Echinoderms are the invertebrate chordates included under the largest clade characterized by…

Q: What is the natural habitat of insects?

A: The members of phylum Arthropoda are collectively referred to as arthropods. Segmented body, the…

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: What are amphisbaenians? What morphological adaptations do they have to aid in burrowing?

A: Reptiles are the tetrapod organisms and include lizards, snakes, crocodilians, and amphisbaenians.…

Q: Do echinoderms present internal or external fecundation? Is there sex division among individuals?

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

Q: Where are the spines/spinelets of Blue sea star located ?

A: Blue sea star belongs to the Ophidiasteridae family.

Q: What are the similarities and differences between insects that go through com- plete metamorphosis…

A: The vast majority of people are acquainted with complete metamorphosis in childhood as a butterfly…

Q: What are the adaptations of Rana?

A: Rana is the genus name of the common pond frogs. Rana temporaria is one of the most common species…

Q: Give a detailed systematic posistion of pigeon?

A: The branch of science that deals with naming, describing, and classifying various organisms is known…

Q: What is the difference between Labeo and Scoliodon?

A: Fishes are gill bearing aquatic animals that belong to the kingdom Pisces and phylum chordates. They…

Q: How does a kinorhynch burrow itself into the mud, explain its locomotory mechanism

A: INTRODUCTION Kinorhyncha Kinorhyncha comes under the class Aschelminthes, they are closely related…

Q: Why are tuataras (Sphenodon) of special interest to biologists? Why are they rare?

A: The genus Sphenodon contains two living species and this comes under the order Sphenodonta. The…

Human Movement

Humans can move from one place to another through coordinated movements and postures. The movement produced by the human body due to the contraction of muscles and bending of bone joints is called human movement. Human movements are controlled by the nervous system. Hence, the human movement incorporates the use of muscles, ligaments, joints, and bones.  Kinesiology is the field that deals with the study of human movements.