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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- What is the importance of studying Capture Fisheries subject?This is a question NOT a writing assignment Summarize the case of the Atlantic cod. In your response, specifically address the following points: What method is most commonly used to extract cod? What are the environmental consequences of this method? What is the evidence that cod are being overfished? What remedies have governments enacted to help restore cod populations?What is the pattern of distribution of koi fishes (Cyprinus rubrofuscus)? What are the limiting factors of their population?
- In some low tide zones, approximately how many burrowing clams might you find in one square meter?In Glacier Sea over the past 5 years the moon jelly population has been INCREASING. How will the walleye pollock population be affected?What are the reasons fishing is so bad for the reef and any measures taken to reduce the impact of fishing?