45 Questions
What are organisms that cannot synthesize their own food and must consume other organisms called?
Consumers
Which type of consumer feeds solely on plants?
Primary Consumer
Which type of consumer is at the top of the food chain and has no natural predators?
Tertiary Consumer
Which type of organism breaks down dead organic matter and returns nutrients to the soil?
Decomposers
Which type of consumer feeds on both plant and animal material?
Omnivore
Which organism actively hunts and kills its prey?
Predator
Which organism consumes leftover carcasses?
Scavenger
Which abiotic factor significantly affects the types of vegetation in an area?
Soil pH and texture
Which type of plants are adapted to arid environments?
Xerophytes
Which atmospheric gas plays a crucial role in supporting life through the carbon cycle?
Carbon dioxide
Which process describes how energy moves through different trophic levels in an ecosystem?
Energy flow
Which essential nutrient cycle recycles elements through the ecosystem to support life processes?
Carbon and oxygen cycles
Which broader term includes both biotic and abiotic components of our surroundings?
Environment
Which animal adaptation helps regulate body temperature in extreme environments?
Thermoregulation
Which atmospheric factor affects precipitation patterns and seed dispersion?
Wind
What type of organisms are crucial in nutrient cycling and energy flow in ecosystems?
Decomposers
Which of the following animals is categorized as a secondary consumer?
Snake
Which organisms consume both plant and animal material in an ecosystem?
Omnivores
What are creatures like hyenas that consume leftover carcasses called?
Scavengers
Which organisms actively hunt and kill their prey?
Predators
What is the term for organisms that cannot synthesize their own food and must consume other organisms?
Primary Consumers
Which type of consumer feeds on secondary consumers in the ecosystem?
Tertiary Consumers
How do physiographic factors influence the environment?
They determine the types of vegetation that can thrive in an area.
Which factor related to soil influences plant growth by affecting soil fertility?
Humus content
What is the main role of atmospheric gases in ecosystems?
To support life through various biogeochemical cycles
Which type of plants are adapted to arid environments?
Xerophytes
What is the primary function of wind in ecosystems?
To affect precipitation and seed dispersion
How does energy flow through ecosystems?
From producers to consumers
What is the purpose of food chains and webs in ecosystems?
To show energy transfer among trophic levels
Which abiotic factor directly affects plant distribution by influencing survival and growth?
Sunlight intensity
What is the main role of decomposers in an ecosystem?
To break down dead organic matter and return nutrients to the soil
Which category of organisms must consume other organisms for food?
Omnivores
What distinguishes scavengers from predators in an ecosystem?
Scavengers consume leftover carcasses.
Why are decomposers essential in an ecosystem?
To recycle nutrients by breaking down dead organic matter
What is the primary characteristic of primary consumers in an ecosystem?
They synthesize their own food.
Which organisms play a crucial role in recycling nutrients and energy flow within ecosystems?
Decomposers
What is the primary function of omnivores in an ecosystem?
To consume both plant and animal material
Which abiotic factor is not directly mentioned as influencing the survival and distribution of organisms?
Wind
Which type of organism is not explicitly mentioned as having a role in nutrient cycling and energy flow in ecosystems?
Hydrophytes
Which of these is not a physiographic factor?
Edaphic factors
Which of these is not a common animal adaptation mentioned in the text?
Camouflage
Which nutrient cycle is not explicitly mentioned in the text?
Phosphorus cycle
Which of these is not a common feature of xerophytes?
Water-repellent surfaces
Which of these is not a role of atmospheric gases mentioned in the text?
Regulating temperature
Which of these is not a common feature of hydrophytes?
Extensive root systems
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