A) in a coil, connected through hydrogen bonds.
Two types of organic waste produced by aquatic systems are nitrogenous compounds like ammonia and decaying organic matter.
The ecosystem found in water bodies is referred to as an aquatic ecosystem. Life exists within these waters. The two main categories of aquatic ecosystems are marine ecosystems and freshwater ecosystems. Freshwater ecosystems can be further classified into lentic, lotic, and wetlands.[[TAG_2]]
The right answer is option d as its absence would impact many organisms in the ecosystem.
Keystone species are crucial for the ecosystem's health. If such a species were to disappear from an ecosystem, it would disrupt the ecosystem's functioning, leading to significant consequences. Therefore, keystone species are vital for the ecosystem's survival.
The answer is B. Animal cells lack a cell wall, while the shoebox signifies the cell wall. I hope this information has been helpful![[TAG_1]]
Becher suggested that the combustion of a material stems from a substance known as phlogiston.
