Number of Land Biomes on Earth (Excluding Aquatic)
Subject : Biology
Question:
How many different biomes are found on land on the Earth? (This number does not include aquatic biomes.)
A. 8
B. 234
C. 2
D. 13
Expert Verified Solution:
The correct answer is A. 8.
The Earth’s land-based biomes are typically classified into eight main types. These include:
- Tropical Rainforest – Known for its high rainfall and biodiversity.
- Savanna – Characterized by a mix of grasslands and sparse trees, with distinct wet and dry seasons.
- Desert – Defined by very low precipitation and can be hot or cold.
- Temperate Grassland – Features large open spaces of grasses and few trees, with moderate rainfall.
- Temperate Deciduous Forest – Consists of trees that lose their leaves in the fall, with moderate temperatures and rainfall.
- Taiga (Boreal Forest) – Characterized by coniferous forests and cold climates.
- Tundra – Known for its cold, treeless landscapes with permafrost.
- Mediterranean – Characterized by hot, dry summers and mild, wet winters.
These biomes vary in terms of temperature, precipitation, and vegetation, reflecting the diverse environments found on land.
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