Describe the water vascular system that seastars utilize for locomotion, respiration, and food capture. What is the name of the siege that regulates water flow between the organism and environment?

Q: Which of the following organisms would expect to have the largest surface-area-to-volume ratio?…

A: All the three (mollusks, platyhelminthes, nematodes ) belong to the same kingdom that is animalia.…

Q: Reproduction in marine pelagic fishes and in benthic freshwater fishes is distinctively different.…

A: INTRODUCTION: Freshwater fishes and marine fishes reproduce distinctively as they both live in…

Q: Define the process osmoregulation in protozoan protists.

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

Q: You are getting ready to wash a car. You have a dry sponge and a bucket full of pure water only. You…

A: A hypotonic solution is a solution with a low concentration of solute and higher concentration of…

Q: egulate the surfac

A: Sponges are a member of phylum porifera. Sponges have four different types of cells Choanocyte…

Q: What would happen to freshwater unicellular organisms if suddenly released in a saltwater…

A: Some of the unicellular organisms found in fresh water( ponds, rivers, streams) are  ameoba,…

Q: a) Gill lice infections result in lowered surface area to volume ratios in fish gill structure.…

A: Gill structure in fish is composed of thin, flat filaments that are highly vascularized. The…

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

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

Q: A. List some invertebrates who are endotherms B. How can something be ectothermic but also maintain…

A: A) Like most other birds and mammals, humans, polar bears, penguins, and prairie dogs are…

Q: If you Ingest excessive amounts of saltwater, you would eventually experience dehydration and die.…

A: Osmosis is a phenomenon that involves the maintenance of the equilibrium in the tonicity of two…

Q: Body fluids of eumetazoan animals are separated into fluid “compartments.” Name these compartments…

A: All the animals are grouped under parazoa or eumetazoa. Parazoa includes sponges while the rest of…

Q: Describe the feeding mechanism of a Hydra.

A: Hydra is fresh water organism that belongs to phylum coelenterata , radially symmetrical  that…

Q: Does other factors (besides temperature) affect the rate of a fish?

A: Fishes are aquatic organisms that belong to the Chordata phylum the vertebrates. Fishes are…

Q: Describe how sponges feed.

A: The group of multicellular and heterotrophic organisms belonging to the kingdom Animalia is called…

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: Write brief note on Effect of temperature or water scarcity and the adaptations of animals.

A: Temperature is the most important physical or abiotic parameter which affects the metabolism of the…

Q: How is excretion done infishes?

A: The animals characterized by the presence of gills, absence of digits and digits, and reside in the…

Q: Compare the hydra to obelia in terms of life cycle features and ecological attributes. If living…

A: Answer: HYDRA AND OBELIA = These are the aquatic simple living organisms belongs to hydrozoa groups,…

Q: Discuss osmotic balance in freshwater and saltwater fishes.

A: Osmoregulation is the ability to maintain an internal balance of water and salt. Kidney plays an…

Q: What does  water bring in and take out as it flows through a sponge?

A: Introduction  The lowest multicellular animals in the kingdom Animalia, the phylum Porifera, are all…

Q: Give a short note on effect of temperature or water scarcity and the adaptations of animals.

A: An adaptation is referred as physical and behavioural change in an organism with respect to its…

Q: What modification do sea anemones possess that allows food and water to be distributed among the…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.