Q: Describe four basic forms of bird wings. How does wing shape correlate with flight speed and…
A: Wings in birds vary in size and form to enable flight in different habitats where special…
Q: Do all of the tentacles of a squid have suckers?
A: Cephalopods belong to phylum mollusca. These exclusively marine animals are characterized by…
Q: What is the differencebetween octopuses andmussels regarding theircirculatory systems? Howdoes that…
A: Octopoda is part of the Cephalopoda class which means that pulp is cephalopod. Cephalopoda is a…
Q: Suppose you hold one group of active beetles at 20°C andanother group at 30°C. After several hours,…
A: Beetles are a group of insects and they found almost everywhere. Temperature plays important role in…
Q: How do clams feed and why are they called bivalves?
A: Bivalves are the Mollusks (such as clams, oysters, scallops, mussels etc) and they have a two-part…
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: 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: How do clams move?
A: Clam is a kind of bivalve mollusc who is capable of burrowing into sand or sediments.They are often…
Q: describe the embryonic development of a sea star.
A: Echinoderm is a phylum of marine invertebrate animals. They have a hard exoskeleton and are radially…
Q: What advantage might a bilaterally symmetrical animal have over one that is radially symmetrical,…
A: Bilateral symmetry involves the organisms with body shapes and are mirror images along a midline…
Q: What are the barriers that protect immobile eggs against predators?
A: Throughout the biological world, organisms exhibit several defense strategies to protect themselves…
Q: Explain why an earthworm loses its cylindrical shapewhen it dies.
A: Zoology is the branch of biology that deals with the study of animals. The animals are classified…
Q: Urchins and sand dollars lack arms. How do they move?
A: Sea urchins and sand dollars are both belong to the phylum Cnidaria and they are fully marine. Sand…
Q: How do insects walk?
A: The legs of insects are jointed and consist of five parts that are femur, tarsus, tibia, trochanter,…
Q: Which fins of sharks provide power and speed?
A: Caudal fins provide power and speed to the Shark.
Q: How many spinelets of blue sea star crown each paxillae?
A: Sea star also known as star fish belongs to the kingdom Animalia. They are star shaped and are…
Q: What are differences between arm and tentacles of squid? Explain.
A: Squids & octopuses are commonly confused for one another for a reason. Because, they're both…
Q: How density influence migration of fish?
A: When in a population or community, the organisms move from one area to the other to ensure…
Q: How does the Moina or Daphnia’s antenna help it to stay afloat and move through water?
A: Moina or Daphnia’s antenna has contractile structures inside its framework. It moves by beating its…
Q: How does the swim bladderof fishes work allowing fishesto control their depth underwater?
A: Fishes are vertebrate animals belongs to the family of Pisces. Fishes are aquatic organism’s lives…
Q: What is the difference between a giant african snail and cowry in terms of shell shape, color and…
A: Introduction : After The Arthropoda, Mollusca Is The Second-largest Phylum Of Invertebrate Animals.…
Q: In which association a sedentary sea anemone gets attached to the shell lining of hermit crab?
A: The interactions between organisms in an ecosystem are called biological interactions. Biological…
Q: What challenges do sea anemones face in their habit?
A: Sea anemones are found in both profound seas/ oceans and shallow coastal waters around the world.…
Q: How do sea star tube feet attach to substrates?
A: Tube feet are also called podia and these are small mobile tubular projections on the oral front of…
Q: Why swim bladders are important in sound production of fishes?
A: A gas filled sac usually along the dorsal wall of the bony fishes . It is an outgrowth of the…
Q: What is the function of the molluscan visceral mass? Secretes the shell Movement Houses…
A: Mollusks is represents the largest marine phylum and the second largest invertebrate phylum after…
Q: At what level does a marine biologist studying dolphin pods work?
A: Dolphins travel in groups called as pods. Some dolphins such as Killer Whales, live in pods of 5-30…
Q: What structures are involved in the following functions in sea stars? Briefly describe the action of…
A: The sea stars are the marine invertebrates that belong to the phylum echinodermata of kingdom…
Q: What is the symmetry in sea anemone?
A: When an organism or object can be divided into two or more equal parts they are said to be symmetric…
Q: How is the nervous system of molluscs organized?
A: The nervous system of Mollusca is different from the nervous system of other vertebrates. The…
Q: What modification do sea anemones possess to increase their digestive surface area?
A: Sea anemones belong to the phylum Coelenterata(Cnidaria). They are aquatic, mostly marine, sessile…
Q: What are the biological troubles that molluscs face due to their soft body?
A: The animals belonging to the phylum mollusc are invertebrates and are mostly marine. Many molluscs…
Q: In planarians ampulation : can planarians regenerate any body part?
A: Planarian is a free-living flatworm belonging to Platyhelminthes phylum. It belongs to the order…
Q: How do fishes breathe?
A: Introduction Fishes are the aquatic animals which either live on surface or in the water. Unlike…
Q: Why do clown fish and sea anemone pair up? What is this relationship called?
A: In nature, population of different species interact with each other in different ways such as…
Q: fishes swim bladders
A: Swim bladder is located in the dorsal cavity lying just under the spinal cord in the coelomic cavity…
Q: How light penetration influence fish swimming behavior?
A: Light is vital for all living and non-living organisms, but excess light also can harm an organism.…
Q: How can egg of many marine animals survive long hours sitting exposed to the sun?
A: Each form of marine life has become adapted to a specific niche with a relatively narrow variation…
Q: Describe how the sea star respires.
A: The kingdom Animalia according to the five-kingdom classification by Robert Whittaker is divided…
Q: Where are the spines/spinelets of Blue sea star located ?
A: Blue sea star belongs to the Ophidiasteridae family.
Q: Duck breast muscles are red (“dark meat”), whereas chicken breast muscles are white. Which species…
A: Muscle fibers can either be red (i.e. slow-twitch or aerobic) or white (i.e. fast-twitch or…
Q: How is movement effected in jellyfishes?
A: A ring of muscles surrounding the bell contracts and relaxes as the jellyfish swims. To propel the…
Q: What are some advantages of freshwater clams producing parasitic larvae that attach to the gills of…
A: Glochidia, parasitic larvae of freshwater clams, attach themselves to the gills and skin of fish.
Q: What is an example of freshwater flatworm? Due to that habitat what is the physiological problem…
A: Flat worms classified under Phylum Platyhelminthes. Platyhelminthes such as planarias has much more…
Q: in starfish, How is their water vascular important for their survival in their habitat?
A: Echinodermata like star fish, sea urchin have a hydraulic system called water vascular system. It is…
Q: Most sea anemones are sessile animals . what do biologist mean when they say that a sea anemone…
A: Sea anemones are marine-living, flower-like animals that belong to the phylum of Cnidarians. About…
How fast does a living sea star move?
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