Some insecticides that act by preventing molting also can harm crustaceans accidentally exposed to them. Explain why.

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: Krill are an example of Mixoplankton Pleuston Meroplankton

A: d is the correct answer. Plankton are comprised of two main groups  permanent members of the…

Q: What do “true lobsters” like the American lobster feed on?

A: Lobsters are a family of large marine crustaceans.lobsters have long bodies with muscular tails and…

Q: What are liver flukes a danger to human welfare? What about tapeworms? Why are tapeworms a problem…

A: Parasites are organisms that live in other organisms of another species. This type of relationship…

Q: Invertebrates enhance the rate of decomposition of leaf litter by increasing the surface area by…

A: Decomposition is the early phase in the nutrient recycling required to create an organism's body…

Q: Increased acidity makes it more difficult for invertebrates to build structures that contain calcium…

A: The organisms that have vertebral column are called vertebrates. However, the organisms that do not…

Q: How does the siphon's action allow the squid to move quickly through water? Explain in 7 sentences.

A: The principle of siphoning. Surface tension squeezes the liquid stream in to the different drops…

Q: Describe the water vascular system that seastars utilize for locomotion, respiration, and food…

A: Sea stars also known as starfish are the marine invertebrates, belongs to class Asteroidea of phylum…

Q: Shrimp can  regenerate eggs and spawn again in about how many days

A: Spawning is a process of reproduction seen in most of the aquatic organisms like fishes and shrimps…

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: Distinguish between ammonoids and nautiloids

A: Ammonoids and nautiloids are two of the major groups of cephalopods. Their fossils are well studied…

Q: Explain how ocean acidification is likely to affect molluscs. Describe the long-term effects of this…

A: Ocean acidification can be described as the decrease in ocean water's pH value due to an elevation…

Q: Explain how coelenterates defend themselves when swimmers venture into their habitats

A: Phylum Coelenterata  These are regularly invertebrate creatures, which show an extremely…

Q: 5 example of commercially important pelagic and demersal fishes.

A: The branch of biology that deals with the structure, function and evolution is called zoology. It…

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: Planktonic organisms are pelagic. True O False

A: Pelagic zone :-  It is the part of the open sea or ocean that is not near the coast or sea floor.

Q: Why is it possible for an aquatic insect to walk on a water body without drowning

A: Insects are defined as a group or family of small and winged animals termed arthropods and, thus,…

Q: To acquire nutrients, spongesa. filter microorganisms from water brought in throughpores.b. use…

A: Sponges: Sponges are primitive multicellular animals. All are aquatic, generally marine but few are…

Q: Specifically, what kinds of organisms are most important in deposition of calcium carbonate on coral…

A: Coral reefs are an underwater, marine ecosystem. These reefs are build by corals which are…

Q: The first global mass bleaching of corals occurred in

A: A coral reef is a submerged ecosystem characterised by corals that build reefs. Reefs are made up of…

Q: and gills of the fish. One of the effects of the infestation is skin hyperplasia, which is a…

A: Homeostasis is the phenomena of maintaining internal balance of the body by some measures present…

Q: All of these animals catch plankton with feathery things except A. Phoronid B. Ribbon worm C. …

A: A diverse group of organisms present in water that is carried by tides and currents is referred to…

Q: Explain how coelenterates defend themselves when swimmers venture into their habitat

A: Coelenterates are aquatic animals that have a tissue level of organization. They are mostly marine…

Q: Select the correct answer from the answers provided. All adult helminths produce a. cysts and…

A: Introduction: Helminths belong to invertebrates and possess a characteristic body that is either…

Q: How can pesticides affect fish?

A: Answer -- Pesticide -- Pesticides are chemicals causing undesirable  loss in the form of pathology…

Q: If you had minimal resources to survive a disease related quarantine, as we’re currently…

A: Quarantine is the isolation of individuals that have arrived from an infectious disease affected…

Q: Annelids have nephridia whose function i

A: Annelids are the invertebrates belonging to the phylum Annelida, some example of annelids are:…

Q: Name the process of breakdown of detritus into smaller particles by earthworm.

A: An earthworm is also called detritivore. They are heterotrophs.

Q: Paramecia that live in freshwater have contractile vacuoles, while those that live in salt water do…

A: It is a single celled protists that are naturally found in aquatic habitats.

Q: Name the organisms which causes red tide in sea.

A: Alveolates are a major group of protists. The characteristic feature of the alveolates is the…

Q: lankton are pelagic organisms that are incapable of swimming against the cu True

A: TRUE

Q: zooplankton

A: Zooplanktons: These are a group of small and floating organisms that form most of the heterotrophic…

Q: What animals are Omnivores in the Epipelagic Zone

A: There are five different zones of oceans that begin from the surface to the deep seafloor. They are…

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: The most commonly cultured crustacean in the United States is the

A: Crustaceans structure a huge, various arthropod taxon that incorporates such creatures as crabs,…

Q: Describe the molting process in Crustacea, including the action of hormones and the process of…

A: The crustaceans have a hard skeleton that is rich is nitrogen. They undergo morphological and…

Q: Give two examples of nonfood fish.

A: Aquaculture is the science freshwater or marine aquatic animal culture i.e. rearing, breeding, and…

Q: How many types of nephridia are found in earthworm based on their location?

A: Nephridia are the main excretory organs in earthworms. They are associated with excretory and…

Q: Which of the following feeding mechanisms do sponges and bivalves have? *       fluid feeding no…

A: Most bivalves ar suspension feeders and eat particles of food from the encompassing water. Some…

Q: Write a statement to my landlord explaining why would happen to my sea snails if I am forced to get…

A: Elodea Densa is a popular aquarium plant belonging to the family Hydrocharitacea a species which…

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: Ecdysis is a process that; (Bubble both that apply)

A: Ecdysis is carried out in presence of mounting hormone called ecdysone.

Q: Filter - feeding is a very common way to collect food from water, but this method is rarely used on…

A: Filter feeding is a primitive character used by mainly the animals living in the water. These…

Q: What is the function of the Glizzard in a worms body.

A: The worms gizzard is an oval, thick walled and highly muscular organ lying in the 8th -9th segment.

Q: Name the parts that carry out the excretory process in fresh water protozoa and mammals

A: The excretory system is a network of organs and tubes that work together to rid the body of waste…

Q: In most flatworms solid waste is eliminated via the O A. anusS O B. mouth O C. nephridiopore O D. A…

A: It is a multiple choice question.

Q: Can a pork tapeworm survive in water

A: Tapeworms are hermaphroditic and segmented. They have both male and female reproductive organs. They…

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.