Ducks Review 1

What animal went extinct in the early 1800s?

• The dodo bird

• The woolly mammoth

• The passenger pigeon

• The saber-toothed cat

What is a forb?

• A type of grass found in wetlands.

• A broadleaf herbaceous plant typically found in grasslands.

• A small tree commonly found in forests.

• A type of shrub that grows in deserts.

What are pioneer species?

• Organisms that are the last to colonize an ecosystem

• Species that thrive in extreme environments

• The first organisms to colonize previously disrupted or damaged ecosystems

• Plants that grow in nutrient-rich soils

What is the importance of grasslands in ecosystems?

• Grasslands provide habitat for diverse species, support agriculture, and play a crucial role in carbon storage and soil health.

• Grasslands are primarily used for urban development and industrial activities.

• Grasslands are important for their aesthetic value and recreational opportunities only.

• Grasslands have no significant impact on the environment or biodiversity.

What is a climax community?

• A temporary ecological community that is in the process of succession.

• A stable and mature ecological community that has reached a steady state through ecological succession.

• An ecological community that is dominated by invasive species.

• A community that is constantly changing and never reaches stability.

What is ecological restoration?

• A process of creating new ecosystems from scratch.

• A method of preserving existing ecosystems without any changes.

• The process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyed.

• A technique for enhancing the productivity of agricultural land.

What is the feather trade?

• The commercial trade of bird feathers, contributing to the decline of many bird species.

• A trade involving the sale of bird meat.

• A practice of collecting feathers for personal use only.

• A trade that focuses on the sale of bird cages and accessories.

What is the role of forbs in grassland ecosystems?

• Forbs primarily serve as a habitat for predators.

• Forbs contribute to biodiversity, provide food for herbivores, and support pollinators in grassland ecosystems.

• Forbs are mainly responsible for soil erosion control.

• Forbs are a type of grass that dominates the landscape.

What is primary succession?

• The process of ecological development in an area with existing soil.

• The process of ecological development that occurs in an area where no soil exists, such as after a volcanic eruption.

• The gradual replacement of one ecosystem by another over time.

• The immediate recovery of an ecosystem after a natural disaster.

What is the difference between primary and secondary succession?

• Primary succession occurs on bare rock without soil, while secondary succession occurs in areas where a disturbance has happened but soil remains.

• Primary succession occurs in areas with existing soil, while secondary succession occurs on bare rock.

• Primary succession is faster than secondary succession due to the presence of soil.

• Secondary succession can only occur in aquatic environments.