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: 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: Define the process osmoregulation in protozoan protists.

A: All the protists haiving holozoic nutrition are collectively termed as protozoans though they have…

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 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: 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: Label the parts of cross section of the Planaria.

A: Any group of widely dispersed, generally free-living flatworms in the class Turbellaria is known as…

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: 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: Compare the type of nutrition that is typically required by an alga, a protozoan, a water mold, and…

A: The source from which the organism obtains its nutrition is termed a mode of nutrition. There are…

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: Define the following: ctenidia, odontophore, periostracum, prismatic layer, nacreous layer,…

A: After Arthropoda, the largest animal phylum is Mollusca. This phylum contains around 90,000 living…

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: Hemovory or hematovory refers to the eating of O Meat О Мeat O Blood O Detritus O Grains O The dead…

A: Meat: animals that eat meat are known as carnivores, such as lions, tigers etc.  Detritus is the…

Q: Illustrate with an example of mangifera indica?

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: Give examples of animals that excrete each of the principal types of nitrogenous wastes.

A: Introduction  Water is crucial for survival for almost all type of species be it animals or plants.…

Q: What is the Geoaxis of zooplankton at surface conditions of low salinity?

A: The zooplankton consist of animals suspended in water with limited movement. They are usually denser…

Q: Why would a parasite develop a life cycle involving an intermediate hosts? What is this giving the…

A: Introduction: Parasites are organisms that depended on another life form, serving, for food,…

Q: Explain in detail Structure reproduction and life cycle of agaricus.

A: Introduction :- Agaricus, popularly known as mushroom, is an edible fungus. It's a saprophytic…

Q: Why are polluted water body have an abundance of nostoc and oscillatoria?

A: Fresh water ecosystem is a major form of ecosystem which is a shelter for species of plants and…

Q: Explain how marine invertebrates physiological response to climate change.

A: Marine invertebrates are the organisms which lives in the marine water bodies and are adjusted…

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: 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: Search the internet for that organism called “green sea slugs” Elysia chlorotica and related species…

A: Taxonomy is the study of organism categorization, it is the grouping (division) of all known species…

Q: Describe the structure and feeding of free-living amoebas.

A: Amoeba is a unicellular eukaryotic organism.

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: the occurrence and role of earthworms in soil ecosystem

A: Earthworms are segmented worms that belong to the phylum Annelida. These are the common inhabitants…

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…

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.