Chapter 6: Kinds of Ecosystems and Communities

During a school trip to different biomes, Leah-Monet and Dontrell were amazed by the variety of species they observed. Which biome did they visit that has the highest biodiversity on Earth?

• Tropical rainforest biome

• Tundra biome

• Desert biome

• Grassland biome

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EN.LS2.6

During a family trip, Mom asked Micheka and Celestin to identify the biome they were visiting, which is also known as the prairie or savanna. What is the name of this biome?

• rainforest

• grassland

• tundra

• desert

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EN.LS2.6

Celestin and Leah went to the beach to explore the area where the ocean meets the land between high and low tides. What is this zone called?

• benthic zone

• pelagic zone

• intertidal zone

• neritic zone

Ceres and Dontrell are studying the ocean. They want to measure the _________, which is the amount of salt dissolved in water.

• Temperature

• Salinity

• Nutrients

• Pressure

Micheka and Leah-Monet are studying different types of lakes for their geography project. They learned that lakes can be classified based on their nutrient levels. What are the two types of lakes they discovered?

• freshwater and saltwater

• marine and estuarine

• oligotrophic and eutrophic

• abiotic and biotic

Leah and Dontrell are studying a barren rocky area that has recently been exposed after a glacier retreated. They are curious about which organisms might first colonize this new environment. What are examples of pioneer species in a primary succession?

• Bushes and Shrubs

• Oak trees

• Mossess and Lichens 

• A rose Bush

During a nature walk, Micheka and Dontrell observed a barren rock surface where lichen or algae had started to grow. What is the name given to these organisms in the context of primary succession?

• pioneer species

• volunteer species

• founder species

• conqueror species

Leah and Jahmar observed a forest area over several years and noticed a gradual change in the types of plants and animals living there. Which process describes this gradual change in species composition in a given area?

• Photosynthesis

• Ecological succession

• Transpiration

• Respiration

What is the name given to lichen or algae after a primary succession?

• pioneer species
• volunteer species
• founder species
• conqueror species

Dontrell and Jahmar are exploring a forest for their science project. They are identifying different elements in the environment. What do you call the non-living parts of an environment?

• biotic

• abiotic

• biome

• aquatic