Which is the vertebrateclass that is considered thefirst entirely terrestrial?

Q: what percentage of sea turtles were around during the jurassic period?

A: Introduction : Geological time scale gives a picture of the events which has taken place in the…

Q: Which are the beings that form the kingdom Animalia? What are the two big groups into which this…

A: Living organisms are classified into kingdoms based on the common anatomical and physiological…

Q: What is one characteristics that separates chordates from all other animals

A: Most chordates are creatures with backbones/ spines. These reach from little fish to whales. They…

Q: How are the vertebrates related?

A: Vertebrates refers to all the species of animals within the Subphylum Vertebrata. Subphylum…

Q: Describe the major vertebrate adaptations that arose in fishes andwere adaptive on land.

A: Vertebrates are the next subcategory of chordates. These organisms are characterized by the presence…

Q: What evidence is there that dinosaurs brooded their eggs and tended their young long after they…

A: Dinosaurs are an assorted gathering of reptiles of the clade Dinosaurian. They initially showed up…

Q: Describe what happened to the dinosaurs.

A: Dinosaurs were the ancient organisms that live on the Earth 66 million years ago. It has been…

Q: Explain super class of vertebrates?

A: Vertebrates are those organisms that have a spinal cord and it is surrounded by bone or cartilage.…

Q: Define about Fishes: Evolution of the Jaw ?

A: An aquatic vertebrate that bears gills for respiration and lacks limbs with digits is called fishes.…

Q: Define what is vertebrate ?

A: Vertebrate is a subphylum of chordata which have vertebrae and backbone in them

Q: What similarities do birdsand reptiles share regardingexternal coverage,reproduction and excretion?

A: Birds are the warm-blooded vertebrate animals constituting the class aves. They are characterized by…

Q: Fossils reveal that __ are the fish organisms with bony skeletons

A: Scientists group fish into three main types. They are divided into these groups because of the…

Q: Identify the geologic era and periods in which chordatesand the first vertebrates appear.

A: The chordates are first found in cambrian period which is 530 million years ago

Q: id the transition of vertebrates from water to land happen quickly? Explain

A: The ecological eras are studied concerning evolutionary time. The time taken for the evolution shows…

Q: What evidence do you see of resident vertebrates?

A: An organism which has vertebrae is known as vertebrates.

Q: Which group of hadrosaurs had crests?

A: Hardradosaurids means bulky lizards. They were the family of herbivores dinasaurs. They were the…

Q: Lobe-finned fishes are important because theya. were the first vertebrates.b. were the earliest…

A: Lobe-finned fishes are coelacanths and lungfish have paired fins that comprise an extended fleshy…

Q: Which clade does not include frogs?a. vertebrates b. gnathostomesc. tetrapods d. amniotes e. lobe…

A: A clade is a group of organisms that have a common ancestor. Frogs belong to the amphibians and are…

Q: Describe three vertebrate adaptations to terrestrial life.

A: In the late Devonian era, the aquatic vertebrates are adapted to terrestrial vertebrates. This…

Q: Which period is known as “Age of amphibians”?

A: Amphibians are the first animal to attempt transition from aquatic to Terrestrial life. From…

Q: how many million years ago did amphibians appear?

A: Amphibians are cold-blooded vertebrate tetrapods. The class amphibia comprises frogs, caecilians,…

Q: Which invertebrate phylum includes the most species?a. mollusks c. arthropodsb. roundworms d.…

A:

Q: ______ is the branch of zoologyconcerned with the study of amphibians.A. HerpetologyB. EthologyC.…

A: The zoology is the branch of biology that deals with the study of animals. It includes the…

Q: Which structure classifies an organism as a gnathostome? a lateral line system a mineralized bony…

A: structures which classify gnathostome are Jawed fishes comprising of mostly of 90% living…

Q: Compared to amphibianswhat are the two reproductivenovelties of beings of the classReptilia for the…

A: The reptiles are the vertebrates that are included in the tetrapod groups. The reptiles adapt…

Q: List the order in which the major types of animals appeared on Earth

A: Animals are the living organisms that able to move where as the plants are the category of organisms…

Q: Cephalopods are the only mollusks (with segmented bodies/have a mantle that secretes a shell/with a…

A: Mollusca are designated as the second-largest phylum of the animal kingdom after Arthropoda. They…

Q: ambulacral grooves are present in which animals below? a. a unified skeleton b. no madreporite…

A: Ambulacral grooves are usually found in the starfish which is filled with fluids and contains…

Q: Which terrestrial vertebrate group is extremely rare in deserts?

A: Vertebrates are organisms which possess backbone and notochord. They are large animals which…

Q: Are there aquatic andflying mammals?

A: Animals are the groups of multicellular organisms that constitute the Animal kingdom. They are…

Q: Which group of invertebrates is most closely related to vertebrates? a. cephalochordates b.…

A: The phylum chordate contains subphylum vertebrata and invertebrates. In invertebrates, there will be…

Q: which environment has the largest variety of animals?

A: Introduction  Environment can be summed up as the effects of all the living and non-living things…

Q: Which is the chordate classconsidered an evidence of thetransition of the vertebratesfrom the…

A: Evolution is a process of the change in the characteristics of a species over several generations…

Q: Tetrapods evolved from_______ . a. sharks c. lobe-finned fishes b. teleosts d. placoderms

A: All extant and extinct creatures that evolved from the last single ancestor of amphibians, mammals,…

Q: How are marine reptiles and marine birds similar?

A: Reptiles and birds are known to live on land but after a course of time , they have developed…

Q: Explain why forams have such a well-preserved fossilrecord.

A: The remains, traces, or impressions of ancient life are called fossils. Their study is known as…

Q: Which of the derived characteristics came into existence before the bony shell?

A: Cladogram is a diagrammatic representation which correlates the evolutionary relationships among…

Q: what is a homologous feature shared by ostriches and amphibians?

A: In evolutionary biology, the similarity between organisms is of two types: analogy and homology.…

Q: How many years ago did amphibians appear?

A: The amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. The different species…

Q: Q36

A: The body appears to be dorsiventrally  flattened. The specimen appears to be in brown colour and…

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: Describe how turtle anatomy has changed over time.

A: Changes in turtle anatomy over years: - Loss of teeth in recent species.

Q: which is the sister group of vertebrates?

A: All fishes, amphibians, reptiles, birds, and mammals are classified as vertebrates. These animals…

Q: Elaborate about the origin and evolution of earlier vertebrates?

A: Vertebrate is considered a subphylum in the kingdom Animalia, which comprises animals with the…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.