Unit 4 Biosphere

What are abiotic factors in an ecosystem?

• Non-living factors like soil and water
• Living organisms like plants and animals
• Energy sources like sunlight and chemical reactions
• Species diversity

Tags

NGSS.MS-LS2-3

Which of the following is a biotic factor?

• Precipitation
• Plant
• Temperature
• Wind

Tags

NGSS.MS-LS1-4

How much energy is typically transferred between trophic levels?

• 1
• 0.5
• 0.2
• 0.1

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which biome is characterized by high biodiversity and a warm, wet climate?

• Taiga
• Temperate forest
• Tropical rainforest
• Desert

Tags

NGSS.MS-LS2-5

What is the Rule of 10 in ecology?

• 100% of energy is transferred up each trophic level
• Only 50% of energy moves between trophic levels
• All energy is converted to heat
• Only 10% of energy transfers between trophic levels

Tags

NGSS.MS-LS2-3

How do abiotic factors influence ecosystems?

• They consume biotic factors
• They determine the physical conditions and types of life that can survive
• They create energy
• They serve as food sources for decomposers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Why do grassland biomes experience frequent fires?

• To release stored nutrients in grasses
• To destroy plant life and reduce biodiversity
• To add humidity to the environment
• To encourage forest growth

What type of organism is essential to maintaining the Rule of 10 in food webs?

• Primary consumers
• Top predators
• Producers
• Decomposers

Tags

NGSS.MS-LS2-3

What adaptation is commonly found in desert plants?

• Thin, shallow roots
• Deep roots to access water
• High leaf surface area
• Adaptation to freezing temperatures

What defines a riparian zone?

• Area along riverbanks
• A desert biome feature
• A coral reef location
• Region of open grasslands