Answer:
The water cycle involves the circulation of water on, above and below the surface of the earth. Acid rain enters the water cycle through both wet and dry depositions.
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Answer: b. phytoplankton ® zooplankton ® fish ® mammal
Phytoplankton are single celled organisms they are included in the category of bacteria, protist or algae living in an aquatic biome. They are autotrophic in nature. Examples are cynobacteria, diatoms etc. They are abundant in number and maintains the lowest level in aquatic food chain, they are the primary producers as they can produce their own food. This level has the highest energy in the aquatic food chain. Zooplankton are aquatic organisms which are heterotrophic in nature. They are dependent upon plants and other aquatic organisms for their living. Examples Dinoflagellates, Cnidarians, Crustaceans, Chordates, Molluscs etc. They are the primary consumers in the aquatic ecosystem. Fishes are dependent upon both phytoplanktons and zooplanktons for their food requirement, they are dependent upon primary producers and primary consumers. Therefore, they are secondary consumers in the aquatic food chain. Lastly, mammals feed on fish are tertiary consumers. Therefore, energy will flow from primary producer to primary consumer, then to secondary and tertiary consumers. The lowest level in food chain will attain largest energy and the highest trophic level will attain the least energy. This is in accordance with the 10% law which says that energy decreases at each subsequent trophic level starting from the bottom.
Hence, the energy will flow in phytoplankton ® zooplankton ® fish ® mammal
Vultures are scavengers, meaning they mostly eat things that have already been killed, so they get most of their energy from the dead animals they find on the sides of the road and in other areas.
The correct answer is; C. the ecosystem’s resources
The carrying capacity for a species in an ecosystem is primarily determined by the ecosystem’s resources.
The carrying capacity of a species in an ecosystem is the largest population size of the species that can be supported indefinitely by the ecosystem upon the availability of resources such as food, habitat, water, and other resources in the ecosystem. The carrying capacity for a species in an ecosystem is mainly determined by the ecosystem’s resources. Competition, population size, disease, and the amount of resources that each organism consumes in the ecosystem are the factors that can influence the carrying capacity of a species in an ecosystem .
