structures in the amphioxus are typically vertebrates

Q: Fossil evidence that many saurapod dinosaurs had feathers suggests that ____. flight is an…

A: In the course of evolution Dinosaurs are the important part. So according to the fossils the size of…

Q: Describe the features that allow most amphibians to havelife stages in water and on land.

A: Amphibians are living vertebrates of the class Amphibia and group Lissamphibia. They survive in a…

Q: Are the ovary and testes of Hydra can be called true organs such as those found in higher animals?…

A: Hydra reproduce asexually by budding and sexually by syngamy. In the winter and spring, sexual…

Q: In what way do teleosts and other fish benefit from having a bony operculum?   it prevents water…

A: An operculum is a hard and bony flap-like structure It covers the gills of teleosts and other bony…

Q: Which of the following animals has a hydraulic skeleton?a. crustaceanb. sea urchinc. sea stard.…

A: Tube feet are also called podia and these are small mobile tubular projections on the oral front of…

Q: Give the literal meaning of the name Gymnophiona. What animals are included in this amphibian order,…

A: Gymnophiona is an order species which comes under class amphibian, which in turn comes under phylum…

Q: What features do all amphibians share?

A: BASIC INFORMATION  AMPHIBIANS  They are one of the class of Amphibia.  They are three different…

Q: Which of these is not a vestigial structure? eyes in cave-dwelling fish ostrich bird wings pelvic…

A: Vestigial organs are those organs which are available in decreased frame and don't play out any…

Q: a. List the characteristics of chordates. What were the circumstances that forced them to evolve…

A: Answer :: a) Chordate is a phylum in animal kingdom which includes Urochordata, Cephalochordata and…

Q: hemichordates are said to be the missing link between the invertebrates and vertebrates.

A: A)INVERTEBRATES:- These are those organisms which are without any strong structural support means…

Q: Describe the early and modern amphibians.

A:

Q: Is there any genetic evidence linking lobe-finned fish and amphibians

A: Lobe-finned fishes and amphibians are closely related and connected through a common ancestor which…

Q: Describe amphibian circulation

A: Amphibians as the name suggests they can live on land as well as in water. They are tetrapod…

Q: How does the foot of a bivalve differ from the foot of a cephalopod, or the foot of a snail? In what…

A: Bivalve Foot - The bivalve foot is one singular mass. It do not have a flat creeping sole but is…

Q: Which anatomical and physiological characteristics are commonly found in terrestrial, but not…

A: When anuran's enter from aquatic environment to terrestrial environment several physiological and…

Q: During embryonic development, a neural crest would be found in all of the following chordates,…

A: Neural crest is a population of migratory cells which arise from the epithelial cells. It develops…

Q: List the characteristics that evolved in amphibians to be able to live on land.

A: Amphibia is a class of vertebrates which spend some part of their life cycle on the land and the…

Q: What features are common to animals specifically invertebrates without well-developed circulatory…

A: Circulatory system can be described as the system which helps in circulating the blood and lymph…

Q: Give a broad Conclusion about the Anatomy of Amphioxus and its importance.

A: Branchiostoma or Amphioxus lives both in marine and estuarine habitats. It is commonly found in the…

Q: How did the vertebrate appendage evolve into the limbs we find so useful today?

A: The tetrapods consist of the a pair of forelimb and a pair of Hindlimb and these are supported by…

Q: Crustaceans, like annelids, are segmented animals. But crustaceans unlike annelids have tagmata.…

A: Advantage:  The segmentation of annelids is highly adaptive, it allows more efficient movement.…

Q: Pharyngeal slits are which of the following?   Question 24 options:   a)  Openings in the…

A: Pharyngeal slit are opening in the pharynx that extend to the outside environment. In organisms that…

Q: Discuss the features of the agnathans, vestiges of the first vertebrates, the jawless fishes.

A: Agnatha is a superclass of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of…

Q: Which of the following is NOT an axial skeleton in the frog? urostyle mandible sternum ribs

A: Introduction:- The axial skeleton is comprised of the 80 bones that make up the body's central core.…

Q: Describe three important differences between the skeletons of the crayfish and the pig.

A: SOME BASIC INFORMATION  SKELETON  It is a structure which is formed by bones  It basically forms the…

Q: Explain the differences in vertebrate appendicular musculature between fishes and tetrapods. How…

A: The evolution of appendicular musculature morphology has been studied, changes in muscular…

Q: How do amphibians undergo metamorphosis

A: Metamorphosis in amphibians is the transformation of the larva to a miniature adult replicate, and…

Q: There are two types of chordates the invertebrates and the vertebrates. How do invertebrate…

A:

Q: This is the skull of what mammal?

A: Mammals are creatures that give birth to offspring instead of laying eggs, and all-female mammals…

Q: Describe the structural differences between the pleopods and the pereiopods up the prawn. What…

A: Pereiopods are primarily walking legs and are also used for gathering food.They are also the ten…

Q: examine the morphology and anatomy of starfish.  Notice the ossicles and plates that constitute…

A:

Q: How is the internal anatomy of the Perch (bony fish) similar to and different from the shark? How…

A: Climbing perch is a bony fish that lives in fresh water and shark is a cartilaginous fish that lives…

Q: Describe the different modes of respiration used by amphibians. What paradox do amphiumas and…

A: Amphibians are cold-blooded, small vertebrate animals that depend on the water for their survival.…

Q: Which of the following is the correct classification for this chordate animal: This vertebrate…

A: Amphibians are cold blooded verte­brates having a smooth or rough, naked skin, rich in glands, which…

Q: Discuss how the circulatory system of cephalopods has been adapted to enable their active, predatory…

A: Cephalopods have a closed circulatory system and three hearts. They are the only molluscs with a…

Q: An antorbital fenestra and external mandibular fenestra are synapomorphies of archosaurs true false

A: Need to find whether the given statement is true and not regarding archosaurs.

Q: Which of the following organisms would you expect to have the largest surface-area-to-volume ratio?…

A: Introduction The deuterostomes include the echinoderms and the chordates. Deuterostomes are also…

Q: /hich of the following features is not unique to the Vertebrate

A: A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. They include birds,…

Q: There are two types of chordates the invertebrates and the vertebrates. How do invertebrate…

A: The scientific classification of animals begin in the late 18th century. At that time , animals for…

Q: Distinguish the Skelton of reptiles in Chelonia and Squamata.

A: The animal kingdom is divided into several phyla for their diverse properties. Every phylum also…

Q: Which one of these is better adapted to life on land - amphibians or reptiles? Explain.

A: Reptiles and amphibians can live on land. But amphibians can also live on water because there…

Q: Many cephalopods have a structure found inside of their head called the "pen". Because cephalopods…

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: Temnospondyl fossils show evidence of a lateral line system in the juveniles, but not in the adults.…

A: The correct option is shown below.

Q: What is the relevance of amphioxus in studying anatomy of vertebrates?

A: The closest living invertebrate relative of vertebrates is the cephalochordate amphioxus…

Q: Crustaceans, like annelids, are segmented animals. But crustaceans unlike annelids have tagmata.…

A: Fusion of some segments or metameres leads to the formation of tagmata.Tagmata are present in the…

Q: Describe the structural differences between the pleopods and the pereiopods up the prawn. What…

A: We are answering first part For rest of question pls Repost