How do ammocoetes and adult lamprey differ?

Q: Is scoliodon a shark?

A: Elasmobranchii is a subclass of cartilaginous fishes that have five to seven laterals to ventral…

Q: Give the resemblances between the lancelet and the lamprey's larva?

A: The lancelet belongs to the kingdom Animalia and characterized as "fish-like" benthic filter-feeding…

Q: How does the foot of a bivalve differ from that of snails or chitons?

A: Limpets or Notoacmea, Collisella are known as small, cone-shaped shells found on the rocks…

Q: Barnacles can move as adults. True or False?

A: Step 1 - False . Barnacles do not move as adults but remain attached to their substratum ( termed as…

Q: What features of squid and octopuses are adaptations for predation?

A: Mollusks are a part of the invertebrate phylum. These include slugs, mussels, snails, and octopuses.…

Q: What are Annelids ?

A: Phylum Annelida belongs to the kingdom Animalia. They are found in both aquatic and terrestrial…

Q: . What are the major types of cartilaginous and bony fishes?

A: A chordate is a creature of the phylum Chordata. During some time of their life cycle, chordates…

Q: What features distinguish the two classes of annelids, and wheredo members of each group live?

A: Annelids are true-segmented worms. They belong to the phylum Annelida. They are usually found in…

Q: What are four shared derived characters of chordates?

A: Chordates are the animals with a vertebral column called ‘back bone’. The chordate animals are free…

Q: Give the differences between lancelet and lamprey with regard to the external characters?

A: Lancelets belong to a class of Cephalochordata, primitive chordates. They are small animals usually…

Q: What is the importance of having swim bladders to aid in the sound production in fishes?

A: Q. What is the importance of having swim bladders to aid in the sound production in fishes? Fish are…

Q: How can brachiopods be distinguished from bivalves?

A: Invertebrates are organisms in which backbone is absent . It includes :-  A ) Arthropods  B )…

Q: Under which environments do echinoderms live?

A: Echinoderms are the animals that have no terrestrial or freshwater representatives. Echinoderms…

Q: How do chordates reproduce?

A: Chordates are the animals that have a notochord, a nerve cord, pharyngeal gill slits and post anal…

Q: how does nematodes found in the lungs of a toad impacts the toad's life?

A: Nematode, also called roundworm, any worm of the phylum nematoda. Nematodes are among the most…

Q: Discuss the adaptations of wall lizard?

A: A lizard could be a widespread group of squamate reptiles. Some lizards are more closely associated…

Q: jawless fish What is the function of the notochord?

A: Ostracoderms are extinct fishes of Paleozoic. The first evolutionary character that appeared in…

Q: What are the features of a typical amphibian?

A: they are the vertebrates they live on both land and water they came into existence in the Devonian…

Q: How do lobe-finned fishes differ from ray-finned fishes, and why were the ray-finned forms unlikely…

A: Lobe-finned fishes and ray-finned fishes are osteichthyes, popularly referred as bony fish . They…

Q: How do hagfishes eat and defend themselves?

A: Hagfishes eat by using their tongues to scavenge the tissues of dead or near dead animals.

Q: What is thought to be the function of the shell morphology in African pancake tortoise?

A: Introduction African pancake tortoises:- are native to East Africa and are found in Tanzania,…

Q: What is the biggest turtle in North America?

A: Turtles are reptiles of the order Testudines characterized by a special bony or cartilaginous shell…

Q: Which amniotes are endothermic? What are some advantages of endothermy?

A: An organism alludes to something living that has a coordinated design, can respond to boosts,…

Q: How do eggs of lancelet and lamprey differ?

A: Lanceletes commonly called amphioxus are marine living, small, eel like animals that belong to the…

Q: What is/ are the major comparison(s) between the tunicates and bony fish? Are tunicates…

A: Tunicates belong to sub phylum urochordata. These are marine animals. They have an outer covering of…

Q: How does a crayfish detect changes in position?

A: The freshwater crustaceans that belong to the phylum Arthropoda and Kingdom Animalia are known as…

Q: What is the purpose of gill slits?

A: Gill slits are defined as the individual openings to  the gills which lack a single outer cover.…

Q: What kind of arthropods are chiggers?

A: Chiggers are tiny mites that usually get their traits confused with the scabies mites. They are also…

Q: How does increasing the sea level affect each species of barnacle?

A: Barnacles are marine crustaceans which are sessile marine animals. They live in the intertidal zone…

Q: What are some examples of annelids?

A: Annelids are free living animals and live in freshwater, marine, and terrestrial environments. There…

Q: How are the lifestyle (free – living vs parasitic) related to the morphology of the annelids?  ⮚…

A: Comparative anatomy is the study of the "similarities and dissimilarities" between various objects.…

Q: How many gonads are found in lancelet and lamprey?

A: Gonad of an organism refers to the reproductive or sex gland that produces both the gametes and sex…

Q: Which do fish have instead of arms and

A: The aquatic animals have special organs to breathe in the water They also have special organs to…

Q: How Do Energy Budgets Differ for Three TerrestrialVertebrates?

A: Energy budget gives the balance between the energy income against the energy expenditure. The energy…

Q: Sandworm and Leech Compare the external features of sandworm and leech, then compare them to the…

A: The lugworm or sandworm (Arenicola marina) is a large marine worm of the phylum Annelida.  Leeches…

Q: what type of scales do bony fish and Lancets have?

A: Lancet fish, both of two types of broadly dispersed, deepwater marine fish of the class Alepisaurus…

Q: What do non-parasitic lampreys do?

A: Lampreys are aquatic jawless vertebrates with an eel-like appearance. They are mostly found in…

Q: What are the structural adaptations of freshwater leech from marine ones?

A: Leeches fall under the Phylum Annelida. They are segmented parasites, meaning, they derive their…

Q: What are the morphological similarities and differences between nematodes and annelids?

A: Nematodes are referred as roundworms and constitute phylum Nematoda. They are multicellular…

Q: Where do kinorhynchs live?

A: Kinorhynchs are tiny, spiny, clear, yellowish or reddish worms. They usually have 13 body segments:…

Q: What characteristic defines a chordate who is also a vertebrate?

A: The animal kingdom is divided into two phyla- Chordata and non-chordata. The phylum Chordata…

Q: How many gill slits are present in Scoliodon?

A: Scoliodon or shark belongs to class Chondrichthyes.  Their skeletons made up of cartilage rather…

Q: Which features of amphibians restrict mostspecies to living in aquatic or moist terrestrialhabitats?

A: Amphibians are vertebrate tetrapods undergo mixing of aquatic and terrestrial phases that are…

Q: How do the lancelet and lamprey differ in digestive tract and respiratory system?

A: Lancelet and lampreys are the vertebrate subgroups having a gelatinous body with dorsal nerve cord,…

Q: What is Chordate body plan?

A: The vertebrates are the largest group of chordates, with over 62,000 species living. The vertebrates…

Q: What are some advantages of freshwater clams producing parasitic larvae that attach to the gills of…

A: Glochidia, parasitic larvae of freshwater clams, attach themselves to the gills and skin of fish.