Briefly discuss the contribution of the cuticle to the success of arthro-pods, and name some other factors that have contributed to their suc-cess.

Q: If sclerotization of the arthropod cuticle is inhibited

A: Cuticular sclerotization, also known as tanning,stabilizes the protein matrix of the cuticle to make…

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: Briefly discuss the components that make up the exoskeleton. List the hormones responsible for this…

A: The external skeleton that provides support and protection to the animal’s body is known as the…

Q: Explain the nervous sytem present in the cockroaches.

A: Nervous system in cockroach which is an arthropod, consists of various ganglions, commisures or…

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: Explain the difference between inert prostheses and the new digital interface prostheses? Cite…

A: Prostheses are the devices that are used to replace a missing organ in a person. These devices help…

Q: Define endoderm

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

Q: describe Affinities of bennettitales

A: Bennettitales are group of fossil plants flourished well during the Triassic to Lower Cretaceous…

Q: Describe five characteristics responsible for the successof the arthropods.

A: Taxonomy is the science of classification of organisms based on their morphology, biochemical…

Q: What is anal cerci andits function in cockroach?

A: Cockroaches belongs to insect group. There are around 4600 species of them all over world. They are…

Q: Explain the advantages and disadvantages of the arthropod exoskeleton.

A:

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: ANSWER THE FOLLOWING GUIDE QUESTION:  a) Do snakes shed or molt? briefly explain. b) Are feathers…

A: Every animal has their own way for protection. Some animals sheds their body when grown old.…

Q: Describe the adhesive pads of wall lizard?

A: The groups including the squamate reptiles that are characterized by their rounded torsos, elevated…

Q: what is the sertoli cells of Basement membrane of frog

A: Sertoli cells are one of the most important parts of the male (frog) reproductive system. Here we…

Q: Relate the structure of insect flight muscles to their function.

A: The flight muscles are cross-striated muscles that are the best-developed muscles in the insect body…

Q: The embryos, oncospheres of Taenia saginata are released in the... Select the correct response:…

A: A multicellular organism's embryo is the first stage of development. The larval phase of a tapeworm…

Q: Discuss the adaptions of Scoliodon?

A: Scoliodon is commonly known as Spiny Dogfish. It is a marine animal which has acquired many…

Q: Explain the major advantages and disadvantages of mollusk exoskeletons in comparison to worm…

A: Hi dear, here's your answer. The three skeleton types incorporate the hydrostatic skeleton, mollusk…

Q: 1. Define the following                a. Operculum                b. Spine                c.…

A: Trematodes are parasitic flatworms that reproduce through sexual or asexual mode but both take place…

Q: Features of cockroach

A: Cockroaches are a type of insect. Cockroaches are found across varied climates, including tropics…

Q: In dissecting frogs, what other suggestions/methods should be done in order to improve the…

A: Lay the preserved frog on its back, spread out its limbs, and pin them to the tray. Use forceps to…

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: Which of the following is formed by a contribution of the pharyngeal endoderm? A. tracheal tube B.…

A: Internally, the endoderm forms the lining of the pharynx and it also form, a number of specialized…

Q: Which structure stops large particles from going into the cephalochordates pharynx? A. mucous net…

A: Answer :- Correct Answer is option B

Q: sea star oral 5.The ____________ __________________ is a circular tube that connects to each of the…

A: Echinoderms are a phylum of marine invertebrates that include starfish, brittle stars, sea…

Q: Insect cuticle is the characteristic feature of class insecta and is to a large extent responsible…

A: Insect body wall ( also called as Integument and exoskeleton) provides the external covering of the…

Q: Contraction of circular muscles in the rhynchocoel wall decrease rhynchocoel fluid pressure increase…

A: Rhyncocoel is the cavity just above the gut of unusual animals called Nemerteans. Nemertea is a…

Q: View this time-lapse movie(http://openstaxcollege.org/l/conceptus) of a conceptusstarting at day 3.…

A: The time from fertilization to the complete development of the fetus in the uterus is called…

Q: Explain briefly abdomen of the cockroaches.

A: Insects are hexapod invertebrates and the largest group within the arthropod phylum. Insects have a…

Q: What is the function of the arachegonium? O a. To carry out a sexual reproductive O b. To produce…

A: An archegonium is a multicellular construction or organ of the gametophyte period of specific…

Q: Based on the text for roaches: 1. Describe how the pest mates. 2. Describe the development of the…

A: Introduction American cockroaches scientific name : Periplaneta americana Length : 3 inches or 50 mm…

Q: Based on the text for mosquitoes: 1. Describe how the pest mates. 2. Describe the development of the…

A: INTRODUCTION Mosquitoes are common, flying insects that live in most parts of the planet . Over…

Q: Briefly explain the mechanism of action of a sea star’s tube foot.

A: Tube feet, also called podia are the small tubular projections on the oral surface of an echinoderm,…

Q: What are various podomeres that make walking legs of the insects? Explain briefly

A: All the insects have their body segmented into the head, thorax and abdomen. The abdomen region…

Q: Observe the exoskeleton of the wolf house spider. Have you seen an exuviae (the remains of the…

A: Wolf spiders are one of the most well-known spiders that is mostly seen indoor.Like all other…

Q: Figure 5.6 Diagram of the pharyngeal pouches and arches (redrawn with modifications from Rugh, 1965)…

A: Introduction The Pharyngeal Arches, Also Known As Visceral Arches, Are Recognisable Antecedents For…

Q: The arthropod exoskeleton is the most complex of invertebrate in-teguments. Describe its structure,…

A:

Q: Elaborate on how the modification of the insect legs/limbs better equip the insect to survive in a…

A: Insects have legs that are adapted as per their requirement for survival in their respective…

Q: What is the mot distal part of a crinoid that is associated with feeding? A. brachige B. Pinnules C.…

A: Crinoids are marine animals belonging to the phylum Echinodermata and the class Crinoidea.

Q: sea star Tube feet are extended when the ____________________________ contracts.

A: Echinoderms are a phylum of marine invertebrates that include starfish, brittle stars, sea…

Q: How can the presence, localization and function of muscular tissue in beings of the phylum Annelida…

A: Annelids are cylindrical worms with segmented bodies (they are metameric). The main evolutionary…

Q: Size of wattle, Shank spur (+/0), Shape of hackles, Shape of saddles, Size of tail feathers, and…

A: Introduction :- Drosophila melanogaster is a fly species in the Drosophilidae family (taxonomic…

Q: 19. Demospongiae have Triaxon spicules Tetraxon spicules and spongin fibres Monoaxon spicules All…

A: Demospongiae are a group of living sponges.

Q: Describe the adaptations of aves that allow most to fly.

A: AERIAL ADAPTATION- Birds have several factors like hollow bones network and lightweight body which…

Q: Briefly explain the genetic determination of biramous and uniramous appendages.

A: Arthropoda phylum is more often known for the appendages found in the species of these groups. The…

Q: BASED ON THE TEXT: ON MOSQUITOES 1. Describe how the pest mates. 2. Describe the development of…

A: The female mosquito mate with male mosquito in aerial leading to insemination trasfering seminal…

Q: Actinopterygii and Sarcopterygii

A: Solution : The key difference between Sarcopterygii and Actinopterygii is that sarcopterygii is a…

Q: how does a light-colored exoskeleton make beetles better adapted to the environment?

A: Introduction Exoskeleton:- It is a rigid or articulated envelope that supports and protects the soft…