Ecology and Conservation Quiz

What does a biomass pyramid represent in an ecosystem?

• The number of organisms at each trophic level

• The total mass of living matter at each trophic level

• The energy flow at each trophic level

• The diversity of species at each trophic level

Which of the following best describes a number pyramid?

• It shows the energy flow between trophic levels

• It represents the total biomass at each trophic level

• It illustrates the number of organisms at each trophic level

• It depicts the diversity of species in an ecosystem

In an energy pyramid, what percentage of energy is typically transferred from one trophic level to the next?

• 1%

• 10%

• 25%

• 50%

What is the primary difference between conservation and preservation?

• Conservation focuses on protecting species, while preservation focuses on protecting habitats

• Conservation allows for sustainable use of resources, while preservation seeks to protect nature from use

• Conservation is concerned with human activities, while preservation is not

• Conservation is a modern concept, while preservation is an ancient practice

Which of the following is a major human impact on the environment?

• Natural disasters

• Photosynthesis

• Deforestation

• Seasonal changes

In a food chain, which of the following is typically the primary producer?

• Herbivores

• Carnivores

• Plants

• Decomposers

Which of the following best describes a food web?

• A linear sequence of organisms through which nutrients and energy pass

• A complex network of interconnected food chains

• A diagram showing the biomass at each trophic level

• A representation of the number of organisms at each trophic level

What is the main goal of conservation efforts?

• To eliminate all human impact on the environment

• To ensure the sustainable use of natural resources

• To increase the number of endangered species

• To prevent any changes in ecosystems

Which of the following is an example of a secondary consumer in a food chain?

• Grass

• Rabbit

• Fox

• Bacteria

What is the primary source of energy for most ecosystems?

• The Moon

• The Sun

• The Earth's core

• Ocean currents