Amphibians have three-chambered hearts, which have some limitations when compared to the four-chambered hearts of birds and mammals. Describe a disadvantage of a three-chambered heart (in comparison to a four-chambered heart), and one way in which amphibians are able to

Q: Which of these is not a feature of amphibians?a. dry skin that resists desiccationb. metamorphosis…

A: Amphibians are little vertebrates that require water, or moist surroundings, to survive.

Q: Which type, or form, of animal could function without a circulatory system?   A. a small, thin…

A: The circulatory system helps in the exchange of gases and transportation and excretion of waste…

Q: Contrast the characteristics of crocodilians with those ofsnakes.

A: Snakes and crocodilians are reptiles having keratinized scales on the skin. They have well-developed…

Q: Due to human activities more carbon dioxide (CO2) is dissolving into the air, the ocean takes up…

A: Introduction Ocean acidification is a process of decreasing the pH of the ocean (increased acid) due…

Q: Discuss the adaptations of lower chordate in terms of circulation

A: The lower chordates gave the following features: dorsal notochord dorsal hollow nerve chord…

Q: Explain how a cnidarian, such as a jellyfish, stings its prey

A: Cnidarians belong to the Radiata group of Animal kingdom.

Q: Distinguish between venomous animals and poisonous animals

A: Animals are the multi-cellular organisms that belong to the kingdom Animalia. They are heterotrophic…

Q: Camels are found in desert where as lions are found in jungle.by which phenomenon they survive in…

A: Habitat refers to the environment in which creatures live. A residential place is referred to as a…

Q: Camels are found in desert where as lions are in jungle .by which phenomenon they survive in that…

A: There are different animals on earth. Different animals live in different environments. Some live in…

Q: List the characteristics that amphibians have in common.

A: The group of multicellular and heterotrophic organisms belonging to the kingdom Animalia is called…

Q: Explain why today’s amphibians are all tied to moist environments.

A: Amphibians are known as ectothermic, tetrapod vertebrates that belong to the class of amphibians.…

Q: What is the type of circulatory system present in annelids?

A: The animals are the most abundant living organism that are found in almost every habitat. They have…

Q: sharks?

A: lateral line consists of sensory receptors called neuromasts. The lateral line can also sense and…

Q: Which of the following groups has a three-chambered heart?a. birds c. mammalsb. reptiles other than…

A: Three chamber heart is condition in which heart has three chambers represented by two atria and a…

Q: Describe the role of calcium in maintaining human bones and teeth. Based on this, how do you think a…

A: Calcium -  Calcium is an important mineral which is necessary for the survival of the life. Calcium…

Q: Which of the following groups has a heart with four distinctchambers?a. birdsb. lampreysc. reptiles…

A: Heart with the four distinct chamber is a very specialise feature which is seen in organisms of…

Q: Make a comparison between the vertebrate and the non vertebrate of the different body systems of…

A: In kingdom Animalia has TWO categories base on presence and absence of vertebral column (Spinal…

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: Mammals carry hemoglobin and oxygen in their red blood cells to help the blood circulate in the…

A: Mammals, a group of vertebrates characterized by the presence of mammary glands has small, biconcave…

Q: Types of eggs in chordates

A: Chordates belong to the phylum chrodata and are the part of animal kingdom. Chordates posses…

Q: Discuss similarities and differences between chordates and higher chordates in detail

A: Lower chordates includes-hemichordates, urochordates, and cephalochordates, and higher chordates are…

Q: Which of the following adaptations allows a brown bear to effectively catch salmon? a thick fur b…

A:

Q: In which part of the mammalian respiratory system does gas exchange occur? A. bronchioles B.…

A: Answer : Option (C) alveoli is correct. Other options were wrong because here in these no exchange…

Q: Contrast swimming and flying in terms of the main problems they pose and the adaptations that allow…

A: There is a requirement of a skeleton for converting the contraction of the muscle to move. A…

Q: Monotremes are unique mammals because they: A. posses hair B. give birth to live young C.…

A: Mammals are warm-blooded vertebrates. They constitute the mammalia class.

Q: Explain how lungfishes are adapted to survive out of water

A: Animals are multicellular organisms. Animals are member of the kingdom Animalia. Fish is an aquatic…

Q: Would having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates…

A: Vertebrates have superior single coronary hearts all through the path of evolution as most of them…

Q: Explain why it is necessary to know the life history of a tunicate to understand why tunicates are…

A: Tunicates are members of the subphylum Urochordata and phylum Chordata. They are small marine…

Q: Dinosaurs like hadrosaur such as edmontosaur or others how do they defend themselves from predators?…

A: Thank you for the question  Answer : Hadrosaur lived around 60-70 million years ago.Hadrosaur…

Q: Describe how a deficiency in Vitamin C could result in fish skeletal deformities

A: Ans. Vitamin c is  also known as ascorbic acid is water soluble vitamin. It is important for normal…

Q: Discuss The force-pump method in amphibians.

A: All creatures need to breathe in order to exchange gasses, especially carbon dioxide and oxygen. The…

Q: Is there a relevance for annelids between the following? Justify your answers Their body color and…

A: The Annelids blood is red in colour. Each section on a worm's body has various bristly hairs, called…

Q: Sharks are chordates that possess which of the following Group of answer choices jaws an air sac…

A: Chordata has a place in the Kingdom Animalia and incorporates every one of the vertebrates, i.e.,…

Q: tissues found in the skin of crocodile

A: Crocodiles are big aquatic reptiles found primarily in the tropics. Crocodylinae is the subfamily in…

Q: What do you call the larvae of echinoderms? Also, reptiles are cold-blooded vertebrate, how do they…

A: Introduction : Echinoderms are animals that are invertebrates. The name actually means spiny skin!…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.