In the ocean, most organisms rely directly or indirectly on _________ as a food source. Question 9 options: A) microscopic shellfish B) yeast C) phytoplankton D) parasites

Q: Why the population of birds are getting declined in an area where DDT had been used extensively?

A: Food chain:   It is a chain of food consumption as well as energy pass by organisms. A food chain…

Q: Which organisms are secondary consumers?

A: Trophic level is the position of the organism in a food web. A food web describes which organisms…

Q: Why is it important that decomposers such as bacteria release nutrients?

A: Decomposers are organisms that break down complex organic materials, such as remains of dead…

Q: Which of the following items could not be used as food by living organisms?   A. Twinkies   B.…

A: The products that are eatables are rich in carbohydrates, fats, vitamins, proteins and minerals.

Q: To be considered biotic, an organism must meet several conditions for life Viruses cannot be…

A: viruses constitutes a large heterogenous groups of a cellular agents . The genetic elements of the…

Q: The diagram shown here illustrates a typical marine food web that can be contaminated with mercury.…

A: When two or more than two food chains interconnect with each other to form a food chain network, it…

Q: Why are there generally fewer organisms at the top of the food pyramid than at the bottom?

A: The study of the food chains and food webs is of high importance to ecologists. The different levels…

Q: Based on the article on mosquitoes eating: 1. Identify abiotic factors that support the survival and…

A: According to the question we have to identify the biotic and abiotic factors that support the…

Q: What is Food web?

A: Answer: FOOD CHAIN : It is the food connection between organisms who are dependent on each other ,…

Q: Why is shark finning used in shark fin soup can lead to the destruction of the coral reef system?

A: Shark finning is the act of removing fins from sharks and discarding the rest of the shark back into…

Q: What happened to the Chesapeake Bay ecosystem once oysters were overharvested?

A: Chesapeake Bay is an largest ecosystem present in United States. Oyster and crabs were a major…

Q: 1st picture : Backyard Garden ( bees suck honey from the flowers ) 2nd picture : Drain ( tadpoles…

A: The two main components of nature and abiotic and biotic components. The environment constitutes the…

Q: What do you think should be the highest- priority chemicals that should be banned from entering…

A: Introduction Human effects on aquatic ecosystems can result from larger-scale impacts such as global…

Q: Which category of organisms prepare their own food from basic raw materials?

A: Some organisms produce their own food and some are dependent on others for their food. Those produce…

Q: Your friend's cottage is on a lake that has experienced numerous blooms of cyanobacteria (blue green…

A: A combination of warm temperatures, sunlight amd nutrient rich waters can cause blue green algae to…

Q: Which of the following is NOT a characteristic of living things? a.)they reproduce b.)they respond…

A: The term biodiversity refers to the diverse variety of life present on the earth. As biodiversity…

Q: The microorganisms that inhabit the sludge at the bottom of a lake would live in which microbiota…

A: It is divided into several zones based on the distance from the shore. The zone closest to the shore…

Q: If a fresh water fish is placed in an aquarium containing sea water,will the fish be able to…

A: A fresh water fish when placed in sea water it won't survive and will ultimately face death.

Q: would an ecosystem be able to survive without the consumers and the decomposers and its ditritus…

A: The ecosystem mainly depends upon the abiotic factors such as solar radiation, ocean, climate,…

Q: In 20, 50 or 100 years, will conditions in the Gulf of Maine be suitable for soft shelled clams and…

A: In recent decades, the Gulf of Maine overall has been warming faster than 99.9 percent of the…

Q: What result can a river with an inflow of domestic sewage rich in organic waste can give?

A: The phenomenon of ageing of water bodies naturally due to increase in its nutrient concentration is…

Q: Aside from nutrition, what else do organisms need that can be acquired from the environment for…

A: Introduction :- Climate, soil, and living things are examples of physical, chemical, and biotic…

Q: If it takes 2 hours for a population of bacteria to grow from 100 cells to 1600 cells, what is the…

A: The bacteria are single celled prokaryotic organisms and divides by binary fission. The time…

Q: Which of the following statements BEST describes a realized niche? A. It is the expected…

A: Hi, Thanks For Your Question.  Answer: The correct option is B (It is the expected location and…

Q: Which organisms are the chief produces in oceans?

A: Ecosystem is a community or group of living organisms that live in and interacts with each other in…

Q: Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?…

A: Nitrogen is an odorless, colorless, and gaseous element that makes up around 70 percent of the…

Q: Which of the following is an example of a symbiotic pair of organisms? Question 3 options:…

A: Symbiotic relationship is a close relationship between two species in which at least one species…

Q: Why are the polar bears feeding on garbage?

A: The polar bear can be defined as hypercarnivorous bear which lies in the native range that largely…

Q: What problem is faced by organisms that live in freshwater?

A: Osmosis is the movement of solvent molecules from high to low concentration through a semipermeable…

Q: The diagram shown here illustrates a typical marine food web that can be contaminated with mercury.…

A: Marine ecosystems and terrestrial ecosystems contain many trophic levels. Photosynthetic and other…

Q: Why is it important to keep individual samples separate? How many samples should an ecologist…

A: Introduction Ecologists often utilise one of three sampling methods. Coverage, abundance, and…

Q: Why the river fish will die if we leave it in the sea?

A: difference between the river water and the seawater is salinity sea fish is adapted to the high…

Q: Which of the following is a symbiotic relationship?   Two plants competing for light   A fox…

A: A symbiotic relationship is a close ecological relationship that exists between individuals of two…

Q: In a food web, the numbers of each organism typically exist in a relatively stable proportion. If an…

A: Trophic level is the position of the organism in a food web. A food web describes which organisms…

Q: a) List two animals which feed primarily on fluids b) List one animal that relies on symbiotic algae…

A: INTRODUCTION Animals require food for nutrition. Domestic animals generally have three types of…

Q: Name the organisms that can fix nitrogen.

A: Nitrogen fixation is a natural process that causes free nitrogen (N2), which is a relatively inert…

Q: How much freshwater is on earth?

A: About 72% of the Earth is covered with water in water but 97% of the water is salty ocean water and…

Q: Will a fish replaced from a freshwater source to an aquarium with sea water be able to survive?Give…

A: Fishes are the cold-blooded or ectothermic organisms. This means that they do not maintain the…

Q: What would happen to an ecosystem if (a) all its decomposers and detritus feeders were eliminated,…

A: A ecosystem is a network of living life forms related to the nonliving segments of their condition,…

Q: How is it that some organisms can survive in such harsh environments? Provide two specific examples.

A: Microbiology is the science of virus, bacterium, algae, fungus, slime moulds, and protozoa, which…

Q: Which organisms are known as the chief producers in the oceans?

A: Biodiversity: It is variability and varieties of life on earth. It is a measure of variation at…

Q: Why do producers use floating feed?

A: Producers prefer floating feed because of management values. They can not only just observe fish…

Q: Which organisms are the chief producers in oceans ?

A: PRODUCERS Those that are capable of manufacturing their own food through photosynthesis are referred…

Q: If a marine fish is placed in fresh water aquarium, will the fish be able to survive. Why or why…

A: Regulation of water and electrolyte balance in the body to maintain the homeostasis is known as…

Q: What do you think would happen to both the catfish and the algae if another fish that eats algae…

A: The given data is about the food chain of pond ecosystem.  Ecosystem is a particular Geographical…

Q: What are primary producers? Consumers?

A: Primary producers are the autotrophs who are the foundation of ecosystem . They harness energy from…

Q: Below is a graph on the fate of bifenthrin within the aquatic environment with various sediments.…

A: Bifenthrin is an insecticide that is used to kill a wide range of insects especially ants.