A rise in atmospheric carbon dioxide increases ocean acidity, making it harder for animals to build calcium  carbonate parts. List some invertebrate animals that increased ocean acidity could harm in this way

Q: Explain the  advantage of a digestive system with two openings have relative to digestive systems…

A: The digestive systems that is usually been define that the annelids have two openings as opposed to…

Q: Bring out the differences between the heart of shark and that of frog?

A: The heart of a shark has two chambers: an atrium or auricle and a ventricle. Deoxygenated blood from…

Q: Book lungs and tracheae are terrestrial adaptations that reduce respiration water loss gas exchange…

A: Class arachnida are terrestrial or aquatic animals with simple eyes. They possess exoskeleton which…

Q: Write about amphibians.

A: A vertebrate is a type of animal that has a spinal cord that is encased by cartilage or bone. The…

Q: Freshwater fish tend to have larger swim bladders than saltwater fish. Explain why you would expect…

A: A process of change that takes place over time is called adaptation. Adaptations generally occur…

Q: In a sentence, briefly describe a feature of australopithecine leg or foot bone structure (such as…

A: The Pleistocene history of men is primarily a story of progressive enlargement of brain, increase in…

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: Members of Chondrichthyes are thought to be descended from fishes that had.. .....................

A: Chondrichthyes includes sharks, rays, and skates, as well as sawfish and a few fish species known as…

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

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

Q: List three groups into which animals are classified, according to food they eat

A: Three groups into which animals are classified according to the food they eat are : Herbivores…

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: Which statement about crustaceans is true? There are very few marine species. They lack a carapace.…

A: 5 kingdom classifications is a type of classification in which living organisms are classified into…

Q: Earthworm Compare the posterior segments to the anterior segments in a earthworm internal features

A: An earthworm is a terrestrial invertebrate belonging to the phylum Annelida. They exhibit a…

Q: Flatworms are the simplest animals to display a body plan that is _________.

A: BODY PLAN It  is a group of structural and developmental characteristics that can be used to…

Q: Using arthropod representatives, discuss whether biology is a result of habitat or habitat is a…

A: Biology is the study of life forms present on the earth.

Q: Thermoregulation of sauropods that made them successful creatures

A: Homeostasis is the state of constant equilibrium maintained in the living system. Homeostasis is…

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: Give advantages that amoeba has over a lizard in relation to their levels of organization

A: The amoeba being an unicellular organism thus a single cell performs all its body functions but in…

Q: Which structure of the ray-finned fishes allows for breathing in water while the fish is stationary?…

A: The fishes are found in the super class Pisces. They belong to chordates.

Q: Animals that have a coelom; Are animals that lack a body cavity Are animals that lack a complete…

A: Answer) Animals that have a coelom are animals that have a true body cavity. Coelom: It is the…

Q: Give a short note on effect of temperature or water scarcity and the adaptations of animals.

A: An adaptation is referred as physical and behavioural change in an organism with respect to its…

Q: A shark has a _________ skeleton, whereas a tuna has a _________ skeleton.

A: Osteichthyes and Chondrichthyes have classed under superclass Pisces that come under the division…

Q: A shark can stay in water at a desired level without swimming or moving its fins. Give reason.

A: Fishes are the aquatic chordate animals which belong to Pisces family. Fishes are used as delicacy…

Q: Using examples, explain this statement: “Vertebrate skeletons are variations on a theme.

A: Vertebrate skeleton:               The skeletal system under the hood of vertebrates is divided into…

Q: in 5 to 10 sentences explain the concepts in regulating body fluids in mammalian excretory system

A: The human excretory system functions to remove waste from the body through the skin as sweat, the…

Q: Identify structure A in this image of the dissected shark (view is of roof of mouth).

A: The shark is a cartilaginous fish that belong to the class Chondrichthyes. They have a two-chambered…

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: 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: leeches are used in medical fields

A: Leeches: Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea…

Q: Compare and contrast insects with arachnids and myriapods.

A: Invertebrates with an exoskeleton, segmented bodies, and coupled hinged legs are known as…

Q: The arthropods have a metameric body with segments organized into functional groups called

A: In this question, we have to answer a metameric  body with segments organised into functional groups…

Q: indicate in a short text : Adaptations to filtration in clams (and by extension in lamellibranchs)

A: Clams are bivalve molluscs. They have no head and they lack some usual molluscan organs like the…

Q: Name and describe two adaptations that make squid good predators.

A: Squids have some unique adaptations. Squid are marine cephalopods with elongated bodies, large eyes,…

Q: Adaptations to predation in cuttlefish (and by extension in cephalopods)

A: The change in the heritable characteristics of the species across many generations is called…

Q: Compare and contrast ectotherms from endotherms. Explain how this difference affects their…

A: Metabolism  The all kind of activities performe by the body like generating energy, consuming…

Q: Gastropods have diversified enormously. Illustrate this statement by describing variations in…

A: Gastropoda is the largest class of phylum Mollusca.  It possess univalved external shell which is…

Q: Agnathans (Jawless FIsh) Look at the image that is attached to this question to answer the…

A: The Agnatha comprises of the jawless fishes, the most primitive group of surviving vertebrates.…

Q: Members of which phylum are known as "segmented worm" Write about their body symmetry, mode of…

A: The segmented worms belong to the phylum Annelids.  Annelids are also known as ringed worms. It is a…

Q: Explain how the saltwater crocodile is different from other crocodiles.

A: Question -  Explain how the saltwater crocodile is different from other crocodiles.

Q: Compare and contrast the body characteristics of a flatworm, nematode, and annelid in the figure…

A: The classification and differentiation of different organisms is based on their physiological and…

Q: Describe how parasitic sea lampreys feed. Then contrast the anatomy of lampreys and conodonts as…

A: Sea lamprey is a parasitic lamprey. It is native to the northern hemisphere. It is also known by the…

Q: modes of feeding you have heard about from animal kingdom

A: The process by which organisms, obtain their food is known as feeding. Different animals possess…

Q: Tunicates have pharyngeal slits for: a. Filter feeding. Ob. Catching its prey (as a predator). С.…

A: Tunicates, moreover called urochordates, are an amazingly assorted subphylum of the Chordata, a…

Q: Which would be found in both flatworms and cnidarians? a digestive system with a single opening a…

A: Phylum Cnidaria include all marine species like corals, jelly fish and Hydra and have a bilateral…

Q: Give reason why the fresh water fish cannot survive in sea water.

A: Tonicity is defined as the measure of effective osmotic pressure gradient. It is the water potential…

Q: the phylum of animals in which many species possess a radula for feeding is

A: Phylum can be defined as the type of taxonomic category which comes under the Kingdom. It is the…

Q: Pleopods of prawns are far larger in comparison to body size than crayfish What might this tell you…

A: Abdominal legs of crustaceans are called as pleopods. Pleopods are also called as swimmerets.