#1
Which of the following is a characteristic of a tropical rainforest?
High humidity
ExplanationTropical rainforests are characterized by high humidity due to heavy rainfall.
#2
Which climate zone is characterized by cold temperatures and permafrost?
Polar
ExplanationPolar climate zones are known for their cold temperatures and permafrost, which is soil that remains frozen year-round.
#3
What type of vegetation dominates in the savanna biome?
Tall grasses
ExplanationThe savanna biome is dominated by tall grasses, adapted to the seasonal climate.
#4
Which of the following is NOT a characteristic of a temperate grassland ecosystem?
Abundant rainfall
ExplanationTemperate grasslands typically have moderate rainfall, not abundant.
#5
Which of the following is a key function of wetlands in terrestrial ecosystems?
Acting as carbon sinks
ExplanationWetlands play a crucial role as carbon sinks, sequestering carbon and mitigating climate change.
#6
What is the primary factor determining the distribution of terrestrial ecosystems?
Precipitation
ExplanationPrecipitation plays a vital role in determining the distribution of terrestrial ecosystems by influencing plant growth and water availability.
#7
Which of the following is NOT a characteristic of a desert ecosystem?
Abundance of water bodies
ExplanationDesert ecosystems are characterized by scarcity of water bodies, not abundance.
#8
What is a major threat to coral reefs worldwide?
Ocean acidification
ExplanationCoral reefs are threatened by ocean acidification, which damages the calcium carbonate structures of coral.
#9
Which of the following best describes a chaparral biome?
Hot, dry summers and mild, wet winters
ExplanationChaparral biome is characterized by hot, dry summers and mild, wet winters, creating a Mediterranean-like climate.
#10
Which of the following ecosystems is NOT primarily terrestrial?
Coral reef
ExplanationCoral reefs are marine ecosystems, not primarily terrestrial.
#11
Which biome is characterized by coniferous forests with long, cold winters and short, wet summers?
Taiga
ExplanationTaiga biome, also known as boreal forest, features coniferous forests with long, cold winters and short, wet summers.
#12
What is a primary characteristic of a montane forest ecosystem?
High biodiversity
ExplanationMontane forests are known for their high biodiversity due to varied altitudes and climates.
#13
Which of the following is a major threat to the Arctic tundra biome?
Permafrost melting due to climate change
ExplanationClimate change-induced permafrost melting poses a significant threat to the Arctic tundra biome.
#14
What is a primary characteristic of a steppe biome?
Sparse vegetation
ExplanationSteppe biomes are characterized by sparse vegetation, adapted to semi-arid climates.
#15
Which of the following is a characteristic of a chaparral biome?
Hot, dry summers and mild, wet winters
ExplanationChaparral biome is characterized by hot, dry summers and mild, wet winters, fostering a unique mix of vegetation adapted to fire-prone conditions.