Ecosystem Diversity and Biodiversity

What is the primary characteristic of ecosystem biodiversity?

Resistance to natural and anthropogenic disturbances
Distribution of ecosystems across a given land surface
Interaction between biotic and abiotic components (correct)
Variation in species richness across different ecosystems

What is measured in alpha diversity?

Landscape diversity
Species richness only (correct)
Environmental gradients
Species richness and evenness

What is the relationship between beta diversity and environmental location?

Beta diversity is highest in areas with minimal environmental changes
Beta diversity is directly proportional to environmental changes (correct)
Beta diversity is inversely proportional to environmental changes
Beta diversity is lowest in areas with significant environmental changes

Which of the following is NOT a characteristic of diverse communities?

Increased susceptibility to invasion (D) Signup and view all the answers

What is the primary focus of landscape biodiversity?

Variation in ecosystems within a given land surface (C) Signup and view all the answers

Which of the following is an example of an ecosystem?

Desert (D) Signup and view all the answers

What is the primary purpose of hunting, fishing, and gathering activities?

To obtain food for human survival (A) Signup and view all the answers

What is the primary factor that determines the rate of biological productivity on Earth?

Biodiverse forms on Earth (B) Signup and view all the answers

What is the significance of biodiversity in agricultural flexibility?

It provides a variety of crops for cultivation (B) Signup and view all the answers

What is the role of plants in maintaining ecological balance?

They regulate the nutrient circulation (A) Signup and view all the answers

What is the role of microorganisms in the ecosystem?

Decomposers of organic matter (B) Signup and view all the answers

What is the measurement of biological productivity?

Rate of biomass production (C) Signup and view all the answers

What is the primary function of plants in the ecosystem?

Purifiers of air and water (A) Signup and view all the answers

What is the significance of biodiversity in regulating climate change?

It contributes to carbon sequestration and global climate change (A) Signup and view all the answers

What is the primary function of biodiversity in human nutrition?

To ensure sustainable food production (A) Signup and view all the answers

What is the role of plants in minimizing noise pollution?

They absorb noise pollution (A) Signup and view all the answers

What is the significance of biodiversity in different geographic areas?

It provides a range of land forms for cultivation (D) Signup and view all the answers

What is the result of increased biodiversity on Earth?

Increased rate of biological productivity (B) Signup and view all the answers

What is the implication of high beta diversity in a geographical location?

Species composition changes with the change in location. (A) Signup and view all the answers

What is the primary purpose of measuring biodiversity?

To understand the influence of environmental change on species. (D) Signup and view all the answers

What is the scope of gamma diversity?

Larger geographical area. (B) Signup and view all the answers

What is the significance of the varieties of organisms present on earth?

All of the above. (D) Signup and view all the answers

What is the impact of anthropogenic influence on the measurement of biodiversity?

It increases the importance of measuring biodiversity. (A) Signup and view all the answers

What is the relationship between beta diversity and species richness?

Beta diversity is the variation in species richness between different habitats. (B) Signup and view all the answers

What is a major consequence of unplanned development?

Breakdown of ecological as well as human laws (C) Signup and view all the answers

What is the primary focus of in-situ conservation?

Conserving genetic resources in natural populations (C) Signup and view all the answers

What is a benefit of in-situ conservation?

Recovering populations in the surrounding where they developed their distinctive properties (B) Signup and view all the answers

What is the main difference between in-situ and ex-situ conservation?

In-situ is for conservation in natural habitats, while ex-situ is for conservation outside natural habitats (C) Signup and view all the answers

What is the goal of carrying on careful and scientific exploitation of natural resources?

To avoid breakdown of ecological and human laws (B) Signup and view all the answers

What is the primary purpose of national parks in terms of biodiversity conservation?

To protect endangered species in their natural habitats (D) Signup and view all the answers