In flatworms gas exchange, nutrient transport, etc. involves diffusion alone a blood vascular system a pseudocoelom a coelomic circulatory system

Q: Differentiate the following based only on their general external anatomy: Lice versus Fleas

A: Lice and fleas both belong to the category Arthropods which possess some common characters such as-…

Q: Using Daphnia and grasshoppers as specific examples, compare how aquatic arthropods accomplish gas…

A: Arthropods are a large group of invertebrate animals.  Insects ,spiders , crabs etc. These have a…

Q: The cirripedia are used for the purpose of grindng food particles prior to their entry to the…

A: It is an arthropod belonging to the infraclass Cirripedia of the subphylum Crustacea. It is related…

Q: Follow the passage of hemolymph in the insect circulatory system. Explain how the body's natural…

A: Hemolymph: it is found in insects as blood, but it is color less. Hemolymph consists of about 90…

Q: Explain the functions of the water vascular system insea stars.

A: The water vascular system is a remarkable and characterizing normal for echinoderms. It is an…

Q: Describe the different ways that unicellular eukaryotes feed

A: Unicellular eukaryotes are single-celled micro-living beings with a characterized core,…

Q: Marine invertebrates are also sources of marine natural products (secondary metabolites). Explain…

A: Many products are discovered and derived from the living and nonliving organisms in the world. Still…

Q: What is a characteristic of the circulatory systems of arthropods and mollusks that distinguishes…

A: Animal circulatory systems are critical in carrying nutrition, oxygen, hormones, and waste products…

Q: Planaria lack specialized gas-exchange organs. How do you think planaria accomplish this task?

A: Planarians belong to Lophotrochozoan branch of protostomes.

Q: Under what circumstances should natural selection favor possession of a holometabolous life cycle…

A: The process that involves complete metamorphosis and their life cycle includes four stages namely…

Q: how a ribbon worm produces energy in aerobic and anaerobic conditions

A: Cellular respiration is a process that is responsible for the production of energy in the form of…

Q: Marine fish when placed in tap water bursts because of: A. Endosmosis B. Exosmosis C. Diffusion D.…

A: Introduction - Fish that dwell in seawater are known as saltwater fish, marine fish, or sea fish.…

Q: Correct the statement "shark's skin contains multicellular mucous glands"

A: Skin is the layer of tissue, which is the major part of the body that is in contact with the…

Q: Discuss the physiogical adaptations that limit water loss in terrestrial insects. You should provide…

A: In this question we have to describe about a physiological adaptation to prevent water loss. See…

Q: 10. At the bottom of the seas where hydrothermal vents pour their chemicals into the ocean, there is…

A: Unicellular prokaryotic organisms, microscopic in size and  contain primitive nucleus that can…

Q: How does the body shape of a flatworm enhance gas exchangewith the environment?

A: Flatworm belongs to platyhelminthus Phylum They exchange the gases with the help of diffusion

Q: Gaseous Exchange in Vertebrates. Vertebrates Agnathans Chondrichthyes Osteichthyes Amphibians…

A: The act of taking in oxygen and exhaling carbon dioxide is usually referred to as respiration.…

Q: Nutrient cycling in aquatic vs terrestrial systes differ because

A: Nutrient cycles bring ecosystems back to a state of balance and thereby play a crucial role in…

Q: Burrowing into the sediment and pulling in se (like clams do) is called O carnivorous feeding O…

A: Food of the clams belonging to the group bivalves usually consists of phytoplankton, zooplankton,…

Q: Match; Non-toxic dinoflagellate and Non-toxic dinoflagellate and diatoms: A. Low oxygen areas or…

A: diatoms are essential microalgae that play significant roles in primary production, biogeochemical…

Q: Compare the relative difficulty of elimination/control for the three helminth groups we studied…

A: Helminths are invertebrates characterized by elongated, flat, round shapes bodies.

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: help

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

Q: what is the major source of energy in mucsle cells

A: Muscle cells are important for the formation of muscular tissue in human body. Muscular tissue help…

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: Discuss the process by which amoeba engulf food. 2. What is the use of contractile vacuole among…

A: Amoeba engulf their food by expanding the pseudopods. These expanded pseudopods  engulf food or…

Q: All animals... (select all correct statements) are multicellular O have true tissues O are…

A: Animal: [characteristics]               All animals were eukaryotic, multicellular organisms, and…

Q: The aquiferous system of a leucon sponge and the gastrovascular cavity of large anemones are both a…

A: Phylum Porifera is distinguished by the presence of a water circulatory system, also known as a…

Q: Willow trees (and other plants) require nutrition that can be obtained directly from which of the…

A: Plants, including willow trees, require certain essential elements to grow and develop. These…

Q: Earthworms move through coordinated and peristaltic contractions of their body wall muscles. When…

A: We need to discuss about how earthworms move through coordinated and peristaltic contractions of…

Q: The digestive tract of these cloth moth larvae is a strongly reducing environment. Why is this…

A: Clothes moths, Tineola bisselliella are small, 1/2-inch pests that feed exclusively on animal fibres…

Q: Electric eels are dependent on air breathing. They take up oxygen from the air that they gulp into…

A: Teleost are bony fishes and they are one of the major subdivisions of the advanced bony fishes. They…

Q: Which mechanism is responsible for bursting of marine fish when placed in tap water?

A: The fishes that live in the ocean water are called saltwater or marine fish.

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.