Biodiversity and Ecosystems

What is biodiversity?

• The variety of living things in a specific region

• The number of plants in a forest

• The amount of rainfall in a desert

• The temperature of a biome.

Fill in the blank: A biome is a geographic area on Earth that contains ecosystems with similar ________ and abiotic features.

• Biotic

• Genetic

• Climatic

• Water

Fill in the blank: Deserts make up about one third of Earth's ________.

• Water

• Land mass

• Atmosphere

• Biodiversity

Which of the following is a characteristic of grassland biomes?

• A) Dominant trees

• B) Dominant grasses

• C) Dominant water bodies

• D) Dominant mountains

Fill in the blank: Grasslands are also called ________, savannas, and meadows.

• Prairies

• Deserts

• Tundras

• Forests

What is the ability of an ecosystem to maintain dynamic equilibrium even with disturbances called?

• Resilience

• Stability

• Diversity

• Adaptation

Which of the following is NOT a land biome?

• Desert

• Ocean

• Grassland

• Rainforest

Fill in the blank: The resilience and stability of an ecosystem ________ as biodiversity decreases.

• Decreases

• Increases

• Stays the same

• Doubles

Which type of forest is known for having a highest level of biodiversity and is home to many animals and plant species?

• Temperate Deciduous Forest

• Taiga

• Tropical Rain Forest

• Tundra

Fill in the blank: Reptiles and amphibians cannot survive in the taiga due to _______.

• High temperatures

• Cold temperatures

• Lack of water

• Dense vegetation