What are two external structures of the frogs in the picture? How do they help the frogs survive?

Q: Is scoliodon a shark?

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

Q: What are placental mammal ? Explain the role of  placental mammal ?

A: Placental mammals are a diverse group, with nearly 4000 species described, the majority of which are…

Q: what are the two largest known invertebrates

A: Invertebrates are animals that doesn't posses vertebral column.

Q: What color does this dinosaurs have on their skin?

A: Although skin impressions of dinosaurs have been discovered recommending a pebbly or layered surface…

Q: What genetic changes led to the increasing complexity of the arthropod body plan?

A: Answer- Arthropods are among the most adapted phyla on the planet. There are many factors…

Q: How is the large size of some cephalopods related to the type of circulatory system they present?

A: Mollusca is the largest marine phylum of the animal kingdom that is characterized by a mantle with a…

Q: What does Hemidactylus mean?

A: Geckos are reptiles and are found on all the continents except Antarctica. These colorful lizards…

Q: What does metamorphosis mean

A: Metamorphosis involves the reactivation of the genes allowing the cells to change from one type to…

Q: How do reptile eggs differ from amphibian eggs? Why is this important?

A: The egg is the female reproductive unit and it is produced by the oogenesis process. It is haploid…

Q: How do penguins differ from other marine birds?

A: Birds, belonging to the class Aves, are the warm-blooded vertebrates possessing feathers. They have…

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: 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 does the wall lizard produce sound?

A: Lizard is a vertebrate that belongs to the Class Reptilia. Reptiles are generally characterized by…

Q: Mention the function of the concha in the lizard's nasal chamber?

A: Lizard is a reptile that belongs to the Squamata order. There are nearly 6000 species of lizards…

Q: How can true seals be differentiated from the eared seals (sea lions and fur seals)?

A: BASIC INFORMATION SEALS  Their scientific name is Pinnipedia. There are around thirty- three species…

Q: What is the function of the snail shell used by the hermit crabs? Do you think it could survive…

A: Hermit crabs, distributed worldwide, occur in coastal waters with sandy or muddy bottoms, and…

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 did bat wings evolve from arms?

A: Evolution is the process of change in the features of an organism with time. It is based on the…

Q: Which animal does not undergo metamorphosis?

A: Metamorphosis is a biological process in which an animal goes through various continuous physical…

Q: What are 5 adaptions or behaviors that make amphibians fit their environment?

A: Amphibians are defined as any group of cold-blooded vertebrate organisms (like frogs and toads) that…

Q: hat is the reproductive strategy for frogs?

A: In some animals, the young ones are different from their adults. For example, A tadpole is…

Q: Why is it important to know the sex of the frog? and why do we study the external features of the…

A: Frogs are the animals belonging to phylum amphibian. There as called so because they can survive on…

Q: Discuss the developmental history of frogs 2. Identify the stages or processes in the life cycle of…

A: Frogs are very diverse and are tailless amphibians belonging to order anura  They are largely…

Q: What term should we use to describe the evolution of body types in the Anole lizards?

A: A change in the characteristics of species over several generations to adapt to environmental change…

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: why is it that higher forms of animals are bilaterally symmetrical? provide scientific explanations

A: According to the general shape of the body and arrangement of internal organs in it, animals fall…

Q: What happens to the tail of an Adolescent frog before it is a fully grown adult?

A: Answer: When the tadpole reaches the froglet stage, it is almost a full adult. At this point, the…

Q: What is the difference between saying that a duck has webbed feet because it needs them to swim and…

A: natural selection -it is the process in which nature selects the one who is able to adapt to the…

Q: What is a primate?

A: Cell is a basic structural and functional unit of all life forms. All organisms are made of at least…

Q: Functions of the frog's body structures?

A: Solution -    Sturctural functions of frog's body- Introduction -a frog  undergoes complete…

Q: What is metamorphosis?

A: The amphibians and the amniotes eventually evolved from the early tetrapods. Amphibians undergo…

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: How are seabirds different from land birds?

A: All birds (Aves) are endothermic (warm-blooded) and have feathered wings, beaks, and claws.

Q: What does the name “echinoderm” mean?

A: Echinoderms have the following characteristics- 1. They are triploblastic. 2. They are marine. 3.…

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: In what present-day country was the oldest known fossil of a primate found?

A: Fossils are the traces, remnants or impressions of an organism of past geologic ages that has been…

Q: What are the general characteristics of reptiles?

A: These were the first class of organisms to adapt to life on land. They are believed to have evolved…

Q: How many years ago did amphibians appear?

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

Q: What is present on the feet of birds which provides more evidence for their evolution from reptiles…

A: Archaeopteryx lithographica is one of the first birds that is considered as the missing link between…

Q: How is a penguin's body shape and morphology adapted for an aquatic habitat?

A: Penguins are a group of aquatic flightless birds. They live almost exclusively in the Southern…

Q: What is the difference between old world monkey and new world monkeys?

A: The most advanced placental mammals are the primates. Primates are mammals that lead an arboreal…

Q: What animal do you think tyrannosaurus rex would eat?

A: Tyrannosaurus rex are the large theropods.Tyrannosaurus are a bipedal dinosaur who have a huge skill…

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: 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 type of body symmetry does this creature have?

A: The correct Answer is Option D . Bilateral Symmetry .

Q: What is the role of elaborated cloaca in reptiles?

A: Reptiles are characterized by the presence of four limbs and uric acid as the nitrogenous waste…

Animal Phylogeny

Cladistics is a method of biological classification where organisms are classified based on their ancestors and their relationship with them. It is defined as the concepts and methods for determining the branching patterns of evolution and evolutionary history. Some scientists, however, have preferred the term phylogenetic systematics or phylogenetic taxonomy to emphasize the reliance on a phylogeny for classification. It is the most common and accepted method for classifying organisms.