Removal Short Essays Flashcards
How does the rain shadow effect produce variations in biomes in one geographical area?
The rain shadow effect occurs when moist air ascends a mountain range, cools, and releases precipitation on the windward side. As the air descends on the leeward side, it warms and dries out, leading to arid conditions. This results in lush, wet biomes on the windward side and dry, desert-like biomes on the leeward side.
How do endothermic fish regulate their body temperature?
Endothermic fish (Warm Blooded), like some species of sharks and tuna, regulate their body temperature by retaining metabolic heat through countercurrent heat exchangers in their muscles. This allows them to maintain a body temperature higher than the surrounding water, enhancing their muscle efficiency and swimming performance.
COUNTER CURRENT HEAT EXCHANGE (CCHEX), Muscle Activity, Insulating Tissues
Why are soils in tropical regions generally more developed than those in temperate regions?
Soils in tropical regions are generally more developed due to higher rates of weathering, leaching, and organic matter decomposition caused by consistently warm temperatures and abundant rainfall. This leads to deep, highly weathered soils that are often nutrient-poor but well-structured.
How is the removal of nitrogenous/metabolic waste related to the conservation of water in vertebrates?
Vertebrates have evolved various methods to remove nitrogenous waste that also conserve water, such as converting ammonia to less toxic and less water-soluble compounds like urea or uric acid. Urea requires less water to excrete, and uric acid is excreted as a semi-solid paste, significantly reducing water loss.
Ammonia-Fishes (High)
Urea-Humans/Mammals(Moderate)
Uric Acid- Birds(Low)
So, the removal of nitrogenous/metabolic waste is directly linked to water conservation because different wastes require different amounts of water to be safely excreted.
A,U,UA
How does the ocean regulate its pH?
The ocean regulates its pH through a combination of chemical buffering systems, primarily the bicarbonate buffer system, and biological processes like photosynthesis and respiration. These mechanisms help maintain a relatively stable pH by balancing the concentrations of carbon dioxide, carbonate, and bicarbonate ions.
What is the sexy-son model and how does it contribute to the evolution of species?
The sexy-son model is a hypothesis in sexual selection theory suggesting that females preferentially choose attractive males to ensure their sons will inherit these attractive traits, enhancing their future reproductive success. This model contributes to the evolution of a species by promoting traits that increase male attractiveness and reproductive success, leading to the perpetuation of these traits in the population over generations.
How does optimal foraging theory aid in modelling the allocation of feeding behavior in organisms?
Optimal foraging theory posits that organisms will maximize their net energy intake per unit of foraging time. By considering the costs and benefits of different foraging strategies, this theory helps model how animals allocate their feeding behavior to achieve the highest energy gain while minimizing energy expenditure and risks, leading to more efficient survival and reproduction strategies.
