Population Growth Factors

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What type of interaction is characterized by one organism benefiting while the other is neither benefited nor harmed?

Mutualism
Decomposers
Ecosystem
Commensalism (correct)

What is the functional unit of nature that varies greatly in size?

Community
Ecosystem (correct)
Abiotic Components
Biotic Components

What type of organisms are dependent on plants for both oxygen and food?

Only primary consumers
Only herbivores
All living organisms (correct)
Only carnivores

What is the role of producers in an ecosystem?

To produce their own food using solar energy (B) Signup and view all the answers

What is the term for organisms that feed on primary consumers?

Secondary consumers (B) Signup and view all the answers

What is the role of decomposers in an ecosystem?

To decompose organic matter (A) Signup and view all the answers

What is the primary factor that determines the type of population growth model in a given environment?

Availability of food resources (B) Signup and view all the answers

What is the term for the movement of individuals into a habitat from elsewhere?

Immigration (A) Signup and view all the answers

Which type of population interaction involves one species benefiting at the expense of another?

Parasitism (C) Signup and view all the answers

What is the term for the number of deaths in a population in a given time period?

Mortality (B) Signup and view all the answers

What is the primary function of autotrophs in an ecosystem?

To produce energy which is transferred through various trophic levels (D) Signup and view all the answers

In which type of population growth model does the population grow rapidly in the absence of limiting factors?

Exponential Growth (C) Signup and view all the answers

What is the term for the interaction between different species in which both are harmed?

Competition (C) Signup and view all the answers

What type of ecological pyramid represents the total mass of organisms at each trophic level?

Pyramid of Biomass (B) Signup and view all the answers

What is the term for the variety of plant and animal life on earth?

Biodiversity (A) Signup and view all the answers

What is the type of ecological succession in which plants and animals first colonize a barren piece of land?

Primary Succession (D) Signup and view all the answers

What is the main difference between primary and secondary ecological succession?

The presence or absence of a pre-existing ecosystem (B) Signup and view all the answers

What is the function of the pyramid of productivity in an ecosystem?

To represent the total amount of energy present at each trophic level (B) Signup and view all the answers

What is the relationship between species richness and area on a logarithmic scale?

Logarithmic (A) Signup and view all the answers

What is a consequence of loss of biodiversity in a region?

High variability in certain ecosystem processes (A) Signup and view all the answers

What percentage of the total atmospheric oxygen on earth is provided by the Amazon forests?

20% (A) Signup and view all the answers

What is the term for the protection and conservation of a variety of animals and plant species in their natural habitat?

In-situ conservation (B) Signup and view all the answers

What is the primary cause of global warming?

Increase in the levels of greenhouse gases in the atmosphere (A) Signup and view all the answers

What is an example of ex-situ conservation?

Botanical garden (A) Signup and view all the answers

What is a common consequence of environmental issues?

Degradation of air, water, and soil quality (C) Signup and view all the answers

What is a cause of loss of biodiversity?

Habitat loss and fragmentation (B) Signup and view all the answers

What is pollution defined as?

An undesirable change in the biological, chemical, and physical composition of air, water, and soil (B) Signup and view all the answers

Why should biodiversity be conserved?

To derive sustainable benefits for present and future generations (B) Signup and view all the answers

What is the role of birds, bees, and butterflies in the ecosystem?

They are pollinating agents in the ecosystem (D) Signup and view all the answers

What is the result of the increase in the levels of greenhouse gases in the atmosphere?

The heat is prevented from escaping into outer space (C) Signup and view all the answers