Biology Chapter 3: The Biosphere

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What does the demographic transition model describe?

The properties of a biological community

The historical and projected changes in population structure (correct)

The interaction between predator and prey

The concept of mutualism in biological communities

What type of competition occurs between individuals of the same species?

Interspecific competition

Intraspecific competition (correct)

Predation

Mutualism

What is the term for a species that has a disproportionately large impact on its ecosystem?

Predator

Keystone species (correct)

Mutualist

Prey

What is the term for the reciprocal evolutionary change between two interacting species?

Coevolution Signup and view all the answers

What type of symbiotic relationship is beneficial but not crucial for the survival of both species?

Facultative mutualism Signup and view all the answers

What is the term for the interaction between two species where one benefits and the other is harmed?

Predation Signup and view all the answers

What is the term for the interaction between two species where both species benefit?

Mutualism Signup and view all the answers

What is the term for the interaction between individuals of different species competing for the same resources?

Interspecific competition Signup and view all the answers

What type of symbiotic relationship involves one species benefiting and the other being neither harmed nor helped?

Commensalism Signup and view all the answers

What is the specific functional role a species plays in its ecosystem?

Ecological niche Signup and view all the answers

What is the variety of life on Earth at all levels of biological organization?

Biodiversity Signup and view all the answers

What is the natural and gradual process of change in the composition and structure of an ecological community over time?

Ecological succession Signup and view all the answers

In a biological community, what contributes to the overall functioning of the ecosystem?

Unique role of each species Signup and view all the answers

What type of symbiotic relationship involves one organism benefiting at the expense of the other?

Parasitism Signup and view all the answers

What refers to the specific functional role a species plays in its ecosystem, encompassing its habitat, food sources, activities, and interactions with other species?

Ecological niche Signup and view all the answers

What is the process by which one community replaces another over time?

Ecological succession Signup and view all the answers

What characterizes a stable ecosystem?

A predictable rate of fluctuation in population numbers and resource supply Signup and view all the answers

What is a biome?

A large geographical region with a specific climate and ecosystem Signup and view all the answers

What is a characteristic of the tundra biome?

Extremely cold temperatures and a predominantly dry climate Signup and view all the answers

What type of trees are found in the taiga biome?

Evergreen coniferous trees Signup and view all the answers

What is a characteristic of the temperate deciduous forest biome?

Four distinct seasons Signup and view all the answers

What is an adaptation of plants in the tundra biome?

Hair-covered leaves Signup and view all the answers

What is a characteristic of the taiga biome's climate?

Cold winters and cool summers Signup and view all the answers

What is an example of a biological characteristic in the temperate deciduous forest biome?

Arboreal mammals Signup and view all the answers

Which sphere does the biosphere include that supports life in diverse forms?

Lithosphere Signup and view all the answers

What is primarily studied in population dynamics?

Variations in population size and composition Signup and view all the answers

Which factor is not listed as affecting population size?

Genetic mutations Signup and view all the answers

What is one key outcome of understanding population dynamics?

Managing and conserving species Signup and view all the answers

What represents the changes in environmental and biological factors that affect population size?

Climate and weather Signup and view all the answers

What is a characteristic of the biosphere?

It encompasses all ecosystems and interactions between living organisms and their environment Signup and view all the answers

Which of these is a crucial element to ecosystem energy flow?

Living organisms Signup and view all the answers

Which property is not directly related to the dynamics of biological populations?

Mineral composition Signup and view all the answers

What is the primary driver behind urbanization?

migration of people from rural to urban areas Signup and view all the answers

Which factor is NOT assumed by the exponential growth model?

predation Signup and view all the answers

What distinguishes the logistic growth model from the exponential growth model?

it incorporates a carrying capacity (K) Signup and view all the answers

Which is considered a socio-cultural factor driving urbanization?

economic opportunities Signup and view all the answers

What is one of the impacts of urbanization on the environment?

waste generation Signup and view all the answers

What does the predator-prey model aim to describe?

how changes in the population size of one species influence the other Signup and view all the answers

Which factor is NOT a limiting factor accounted for by the logistic growth model?

continuous reproduction Signup and view all the answers

In the context of urbanization, what does population concentration refer to?

gathering of people in specific areas Signup and view all the answers