Q: Why do anandromous lampreys die after breeding in the freshwater environment
A: Anadromous fishes are born in freshwater. They spend most of the time in salt water but they return…
Q: How does increasing the sea level affect each species of barnacle? How are the barnacles…
A: A barnacle belonged to the subphylum Crustacea and is related to crabs and lobsters. Barnacles are…
Q: Which one of the following is a marine fish: (please refer class 12th NCERT) a. Rohu b. Hilsa…
A: Step 1 Pisces or fishes are a group of jawed aquatic vertebrates that are characterized by the…
Q: What is the advantage for the lobster to move as a group ?
A: The phenomenon of social aggregation is widely seen in mammals, crustaceans, and birds. These…
Q: what is the current population of hawks?
A: Hawks (family Accipitridae) are one of the major groups of predatory birds that are active during…
Q: Why would you not eat raw oysters as is common in Maryland?
A: The state of Maryland thinks that oysters are not only important to eat, but also oysters to keep…
Q: Give reasons why anandromous lampreys die after breeding in the freshwater environment
A: The sea Lamprey is one of the fishes that are categorized as anadromous, as these fishes spent a…
Q: According to the text, what is fish recruitment?
A: According to the question, we have to give an explanation on fish recruitment. Let us have a look at…
Q: What are three things we can do to help prevent the spread of jellyfish in the Earht's ocean?
A: The overpopulation of jellyfish is associated with human activities. The rise in the population of…
Q: How can seals and whales stay underwater for long periods?
A: Seals and whales stay underwater for long periods because of the presence of unique protein…
Q: If you found a small fishlike animal along the shoreline, how would you determine whether or not it…
A: Lancelets or amphioxi are chordates belonging to the the subphylum cephalochordates. They can be…
Q: What are lobe-finned fishes ?
A: Fish are oceanic, craniate, gill-bearing creatures that don't have appendages with digits. The…
Q: why would a pinniped likely be able to travel farther in water than on land
A: Diverse living organisms inhabit our oceans, coasts, and estuaries. These species can home in size…
Q: Why do fish not survive outside water?
A: Fish are animals that live in the water. They do not have limbs, instead of limbs they have fins…
Q: How does a crab help an otter make fur?
A: There is no such scientific explanation for how does crab help an otter to make fur
Q: Briefly Explain how improving the diagnosis of diseases in fishes and making availability of…
A: Aquaculture is rapidly growing agriculture worldwide. Aquaculture is breeding, raising, and…
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: What is the greatest threat to baby Lesser Flamingos as they migrate to find fresh water?
A: Lesser Flamingos are the smallest among all flamingos. They are primarily an African species. The…
Q: What does predator star fish pisaster helps in?
A: Keystone species, in ecology, a species that has a disproportionately large effect on the…
Q: How light penetration influences fish behavior and survival during spawning season?
A: Light is an abiotic factor that affects aquatic organisms and the environment through its…
Q: Why is dolphin aammals?
A: Mammals belong to the class vertebrata and includes a diverse group of animals. Parental care is…
Q: which lampreys are native and which are invasive to the Great Lakes?
A: Sea Lamprey are native and which are invasive to the Great Lakes. The earliest sighting of a sea…
Q: What has happened to decline the population of the Houston Toad?
A: Toads Toads belongs to the group of amphibians. They have dry, leathery skin with short legs.
Q: Wild ungulates water depedency.
A: * wild ungulates respond to seasonal changes in temperature and precipitation by behavioural…
Q: If a marinę fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why…
A: Introduction: The movement of water from high concentration to low concentration through a…
Q: what is the status or history of salmon fish in pakistan?
A: Salmon is the common name for several species of fish of the family Salmonidae. Several other fish…
Q: How atmosphere and ocean interaction influence fish abundance?
A: The ocean and the atmosphere are inextricably linked. They collaborate to transport heat and fresh…
Q: How does changing the magnitude of tide level change affect the population of barnacles? Is it the…
A: Barnacles are shelled creatures that attach themselves to firm surfaces along the seashore (docks,…
Q: What is the effect of climate change on fish?
A: The ecosystem is a community or area where animals, plants and many other elements or organisms live…
Q: What symbiotic relationship do sharks and coral reef have?
A: The depends of two different species on each other is known as symbiosis. This kind of relationship…
Q: What time of the year do clownfish mate
A: Clownfishes are tiny, brightly coloured fishes. They thrive in shallow lagoons or sheltered reefs…
Q: What are the common characteristics of animals found living in the rocky shore?
A: A rocky shore is a section of a seacoast's intertidal zone where solid rock dominates. Rocky beaches…
Q: What is the pattern of distribution of koi fishes (Cyprinus rubrofuscus)? What are the limiting…
A: Koi is a fish that is present in the whole world. On the skin of koi fishes, there are patterns and…
Q: Two principal groups of fishes, with respect to feeding behavior, are carnivores and suspension…
A: There are four basic eating groups among fishes such as carnivores, herbivores, omnivores, and…
Q: How do kangaroo rats live in the absence of water in North American deserts?
A: The desert kangaroo rat is a rodent species and it belong to the family Heteromyidae. They found in…
Q: Give two examples of nonfood fish.
A: Aquaculture is the science freshwater or marine aquatic animal culture i.e. rearing, breeding, and…
Q: What advantages do fish have over other agricultural animals?
A: Intensive agribusiness, otherwise called intensive cultivating (instead of broad cultivating) and…
Q: What are two environmental conditions that might lead to the disappearance of manatees from…
A: The common name of Manatees is sea cows. Trichechus is the scientific name given to manatee. They…
Q: Which is the national aquatic animal of india?
A: An animal either invertebrate or vertebrate which lives in water for almost or for a lifetime is…
Q: How temperature influence distribution of fish?
A: Fish can be defined as the type of living organism which lives in the water. They are present in…
Q: What causes the loss of spines in lake stickleback fish?
A: Sticklebacks belong to family of fish that belong to the class Actinopterygi. They are commonly…
Q: In some low tide zones, approximately how many burrowing clams might you find in one square meter?
A: Shell clams live in the intertidal zone. It is the zone present in the wet area exposed between high…
Q: List some cool water fish.
A: Those fish that can survive in the cold water environment are called cold water fish and they become…
Q: What type of grazing fish is this?
A: Grazing fish eat a wide variety of food organisms by biting them. They usually go in groups.…
Q: How does the number of fish affect oxygen consumption?
A: Fish breathe oxygen just as land animals do.However, fish are able to absorb oxygen directly from…
Q: Are most sharks dangerous to human swimmers?
A: Not all sharks are dangerous. Because, most of the sharks is 2 m in length and it cannot affect…
Q: If a fish is able to breathe outside of water but does not reproduce, that trait?
A: Introduction: Evolution is the change in the inherited characteristics of biological populations…
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…
What causes a large variation in the size of catfish in a pond?
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