If fish do not add or remove air from their air bladders their overall density _____ when they descend from the surface to greater depths.   increases   decreases   stays they same   depends on whether they are physoclistous or physostomous

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

Q: Regarding filtration in proto- and metanephridia, the actual filter is Group of answer choices…

A: Correct answer is option B (PODOCYTES) The outer wall of Bowman's capsule is composed of flattened…

Q: Whereas hagfish have no larval stage lamprey larva differ significantly from adults. One difference…

A: Lampreys are an ancient extant lineage of jawless fish of the order Petromyzontiformes, placed in…

Q: Which of the following is a structure that frogs utilize to breathe? -gills -lungs -all three of the…

A: Respiration is the process of exchange of gases between body and atmosphere. The oxygen is uptake…

Q: Which of the following are used by spiders to pick up sensory information from the surrounding…

A: Senses are very important in perceiving the changes in the outer world. Spiders are arachnids that…

Q: stem. Describe the processes of ingestion and digestion in sponges. Sponges are sessile Sponges are…

A: Sponges are multicellular animals at their most basic level. They don't have any genuine tissues.…

Q: Invertebrates Protozoans Poriferans Coelenterates Platyhelminths Nematodes Annelids Mollusks…

A: Invertebrates are the animals that lacks backbone, actually they don't have bones. They are mostly…

Q: A pseudocoelom is lined by

A: Pseudocoelomates are the organisms which does not have true coelom.  Coelom is the space between gut…

Q: MARINE ANIMALS SPONGE COMB JELLY CRAB ZOEA CORAL WHALE TUNA CRAB SEA TURTLE SHARK (NON-SWIMMING) SEA…

A: According to the mode of life, marine organisms are divided into three types, they are as follows:-…

Q: Compared to the seawater around them, most marine invertebrates are hypoosmotic and osmoconformers…

A: The question is asking us to determine the osmotic condition and osmoregulation strategy of most…

Q: Which of the following matches is correct?a. nephrons—earthwormsb. Malpighian tubules—insectsc.…

A: Answer is b.) malphigian tubules - insects.

Q: A gill lice infection will have negative effects on the gills, but no other physiological processes…

A: Gills are respiratory organs found in fish and other aquatic animals that extract dissolved oxygen…

Q: Which of the following is true about drag in fish locomotion? It is the combined result of viscous…

A: Swimming is one form of locomotion present in aquatic animals. As fishes are present underwater,…

Q: My question is describe the functions in a clam and compare the external features of the clam to the…

A: Clam (Bivalvia) is a generic term for a variety of bivalve mollusks. These freshwater and marine…

Q: If a fish close to the surface swam down to a depth of 10m below the surface it would need to ______…

A: Fishes are organisms that live in aquatic environment and has a necessity to move in a three…

Q: Why does having water and blood flow in opposite directions increase transfer efficiency?

A: Gills are the organs that aid in the gaseous exchange in fishes. The water through their mouth enter…

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: In spiders, excretions of wastes from the body is handled by (mark all that apply) the Malpighian…

A: Spiders are members of the chelicerates group, the arachnids. They are the largest order of…

Q: Swim bladders in fish and lungs in terrestrial animals have a common evolutionary origin, but have…

A: Swim bladders in fish and lungs in terrestrial animals have a common evolutionary origin,…

Q: The Deep: Mesopelagic and Bathypelagic detail about the depth, the organisms typically found in each…

A: The ocean is a continuous body of saltwater confined in massive basins on the Earth's surface. The…

Q: help

A: Fishes are the primary aquatic vertebrates. They utilise the oxygen which remains dissolved mostly…

Q: Annelids have nephridia whose function i

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

Q: Questions: 1. If you discover a new organism that is ectothermic, contains lungs to breathe and has…

A: According to our guideline we can answer only the first three subparts of a question. So, upload the…

Q: The earthworm excretory structure is considered to be A. A protonephridium B. An ananephridium C. A…

A: Nephridium is an organ that is present in several invertebrates for excretion. There are two types…

Q: What is the symmetry of this organism? What is the lifestyle of the organism (crayfish) in the…

A: Crayfish Crayfish belongs to the crustacean animals a group of arthropods. They are water animal and…

Q: The labeled line _____.     is an indication of the pathway of sensory information from the…

A: Labeled line theory: The labeled line theory refers to the uniqueness of nerve fibers in…

Q: 1. exhalant Females take up sperm through the siphon. 2. inhalant 3. internal The feeding strategy…

A: Females takes up the sperm through the - ? The males sperm leaves superbranchial chamber of the…

Q: If the lateral cilia of ascidian gill bars were removed, which of the following would be likely to…

A: Ascidians, also known as sea squirts or tunicates, are sac-like marine invertebrates filter feeders…

Q: Note: The tree is CRITICAL. Go back to review to select your answer. On the tree below which tick…

A: A swim bladder is also reffered to as a "air bladder" or "gas bladder" a gas-filled pouch that sits…

Q: Larger animals have a ______ than smaller animals. larger surface area to volume ratio smaller…

A: As the sizes of animals increase their volume becomes bigger than their surface area(skin).…

Q: Copepods, or Cyclops – 4x Objective

A: Distinguishing  features:  Cyclops individuals may range from 1/2–5 mm long and are clearly divided…

Q: What is the lifestyle of the organism (ammonite) in the  photo? (Select all that apply) (Hint:…

A: Ammonites are an extinct group of organisms. They are also known as ammonoid and belong to the group…

Q: In cephalopods contraction of _____________________of the mantle force water from the mantle cavity…

A: Give options.  radial----inhalant valve circular-----inhalant valve Radial----funnel (siphon)…

Q: An example of peramorphosis would be a____.   salamander that becomes sexually mature while still…

A: Peramorphosis is a process in developmental biology, where the growth/maturation of an animal is…

Q: select all of the following statements about corais that are I KUE. Corals are endothermic…

A: Introduction The largest coral system is the Great Barrier Reef has rich biodiversity including…

Q: How does an arthropod growth curve compare with yours?

A: Arthropods can be defined as the type of organisms that belong to the Phylum Arthropoda. They are…

Q: please help me, double check your answers previous tutors got it wrong.

A: The swim bladder is called by various other names such as gas bladder and air bladder. It is an…

Q: rrect Question 53 A small, sterile, prefilled glass container that usually holds a single dose of a…

A: The question no 54 is not clearly pictured . So, please post in another thread. Different types of…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.