Multiple Choice
Which terrestrial biome is characterized by cold temperatures, low precipitation, and permafrost?
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48. Ecology
Introduction to Terrestrial Biomes
Multiple Choice
Which terrestrial biome is considered one of the most biologically productive of all biomes?
A
Tropical rainforest
B
Desert
C
Temperate grassland
D
Tundra
Verified step by step guidance1
Step 1: Begin by understanding the concept of biological productivity. Biological productivity refers to the rate at which energy is converted by autotrophs (like plants) into biomass in an ecosystem. This is often measured as primary productivity.
Step 2: Review the characteristics of each biome listed in the question. Tropical rainforests are known for their high biodiversity, warm temperatures, and abundant rainfall, which support high levels of primary productivity. Deserts have low rainfall and sparse vegetation, leading to low productivity. Temperate grasslands have moderate productivity due to seasonal variations in temperature and rainfall. Tundras are cold and have short growing seasons, resulting in low productivity.
Step 3: Compare the environmental conditions of each biome. Tropical rainforests have optimal conditions for plant growth, including consistent warmth, high humidity, and nutrient cycling, which contribute to their high biological productivity.
Step 4: Consider the role of biodiversity in productivity. Tropical rainforests host a vast array of plant and animal species, which interact in complex ways to sustain high levels of energy flow and nutrient cycling.
Step 5: Conclude that tropical rainforests are the most biologically productive terrestrial biome due to their favorable climate, high biodiversity, and efficient nutrient cycling.
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