ecosystems - B Flashcards
(15 cards)
What is a biome?
A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.
Which biome is characterized by low rainfall and extreme temperatures?
Desert biome.
True or False: Tundra biomes have a permanently frozen subsoil called permafrost.
True.
Fill in the blank: The __________ biome is known for its dense forests and high rainfall.
tropical rainforest
What are the two main types of aquatic ecosystems?
Freshwater and marine ecosystems.
Which biome is known for having the most biodiversity?
Tropical rainforest.
Multiple Choice: Which of the following is NOT a characteristic of grasslands? A) High precipitation B) Dominance of grasses C) Large herbivores D) Seasonal droughts
A) High precipitation.
What is the primary factor that distinguishes different biomes?
Climate, including temperature and precipitation patterns.
True or False: Savannas are characterized by scattered trees and a warm climate.
True.
What type of ecosystem is a coral reef?
Marine ecosystem.
Fill in the blank: The __________ biome is characterized by coniferous forests and cold temperatures.
taiga
What is the role of decomposers in an ecosystem?
Decomposers break down dead organic matter, returning nutrients to the soil.
Multiple Choice: Which biome is characterized by permafrost? A) Tundra B) Desert C) Grassland D) Temperate forest
A) Tundra.
What is a small-scale ecosystem often found in a backyard or garden?
Microecosystem.
True or False: Ecosystems can only be large, like forests and oceans.
False.
