Ecosystems Exam Review

Indicate whether each of the following is part of the water cycle or the carbon cycle: Groundwater Infiltration

Classify as Biotic or Abiotic: A cricket

Which level of the food pyramid is being described? This level of constrains energy available to the ecosystem.

Classify as Biotic or Abiotic: An earthworm in your garden

Indicate whether each of the following is part of the water cycle or the carbon cycle: Evapotranspiration

Classify the following: Taking care of the environment is based in the principle of the seventh generation.

Which level of the food pyramid is being described? This level of the pyramid contains the most energy.

Classify the following: Knowledge of the environment is communicated through story.

Which level of the food pyramid is being described? This level of the pyramid gets its energy directly from the sun.

Classify as Biotic or Abiotic: The water in the Saskatchewan River

Classify as Biotic or Abiotic: A mushroom

Classify as Biotic or Abiotic: Wind

A natural wildfire caused by a lightning strike is an example of deforestation.

Over-irrigation and over-grazing are common causes of desertification

If one link in a food web disappears, it won't affect other links in the food web.

Indicate whether each of the following is part of the water cycle or the carbon cycle: Decomposition

An ecosystem is powered by a constant input of energy from the sun.

Available energy increases as it passes through the food chain.

Campo Kumeyaay Experience: The Campo Kumeyaay regularly burned the landscape, which destroyed all of the native plants.

Campo Kumeyaay Experience: Ranchers and farmers cut channels to drain water from natural wetlands.

Which of the following is being described? Consumes mainly plants

Indicate whether each of the following is part of the water cycle or the carbon cycle: Groundwater Discharge

Photosynthesis is a process by which plants use sunlight to synthesize food from carbon dioxide and water.

Which of the following is being described? Consumes things that were killed by other consumers

Identify the Biome: A biome with a hot climate, heavy precipitation, an abundance of vegetation, forming three layers

The Leech Lake community relies only on Indigenous knowledge to conserve and restore their wild-rice ecosystem.

Genetic diversity is the variety of different species that live in an ecosystem

Which level of the food pyramid is being described? This level of the pyramid represents top carnivores.

Classify the following: Everything in nature can be categorized as biotic or abiotic.

Picking berries to eat is an example of a provisional service provided by ecosystems

Campo Kumeyaay Experience: Commercial cattle grazing was eliminated on the Campo Kumeyaay reservation.

Man-made dams are beneficial because wild rice thrives in varying water levels.

Indicate whether each of the following is part of the water cycle or the carbon cycle: Respiration by Plants

Campo Kumeyaay Experience: Native plants were planted around the stream beds to help prevent erosion.

Indicate whether each of the following is part of the water cycle or the carbon cycle: Combustion

As energy passes through the food chain, 50% of energy in one link is available to the next.

Classify as Biotic or Abiotic: Sunlight

Restoring an ecosystem is easier than conserving an ecosystem.

If Snowshoe Hare populations decline, Lynx populations also decline because Snowshoe Hare are a food source for Lynx.

Indicate whether each of the following is part of the water cycle or the carbon cycle: Respiration by Animals

Researchers at Leech Lake use map studies to track the size of wild-rice habitat year-to-year.

Causing damage to one ecosystem can affect neighboring ecosystems as well.

Which level of the food pyramid is being described? This level of the pyramid contains the least amount of biomass.

Which level of the food pyramid is described? This level contains 10% of the energy of that of secondary consumers.

Identify the Biome: A hot, dry biome where very little plant life grows.

Classify as Biotic or Abiotic: Cattails at the Kerrobert Reservoir

Classify the following: Knowledge of the environment is communicated in writing.

Energy used for cellular respiration is not cycled through ecosystems.

Lake-shore development can be harmful because it disturbed wild-rice habitat

The water cycle and carbon cycle are examples of cultural services provided by ecosystems.

Identify the Biome: A biome where the subsoil is permanently frozen. This biome is flat and treeless.

Classify as Biotic or Abiotic: Chemicals such as Co2

There are typically more carnivores than herbivores in an ecosystem.

The amount of energy available to organisms in an ecosystem depends on the amount of energy captured by plants.

Populations and communities are generally constant and do not change.

Classify the following: The natural world is categorized in terms of survival.

Secondary succession occurs when a pioneer species populates an area developing a new community.

Indicate whether each of the following is part of the water cycle or the carbon cycle: Condensation

The Leech Lake Ojibwe harvesting wild rice is an example of over-harvesting.

Identify the Biome: consists primarily of trees that lose their leaves each year, warm summers, and cool winters

Asian carp are beneficial for wild-rice because they prevent the rice growing in too thick

Which of the following is being described? Breaks down dead plants, animals, and waste

Campo Kumeyaay Experience: Rock-drop structures placed in stream beds allowed water to flow faster back into wetlands.

Classify the following: Everything in nature is alive and has spirit.

Burning fossil fuels and deforestation both contribute to global warming.

Classify as Biotic or Abiotic: Snow

Invasive species can have a negative impact on the biodiversity of an ecosystem

Sulphates entering streams and lakes from nearby mining activity can kill wild rice

"Oh Deer" simulates natural population change: the amount of resources is limited and deer must compete.

Which level of the food pyramid is being described? This level of the pyramid consumes mostly plants.

What is a Biome?

Indicate whether each of the following is part of the water cycle or the carbon cycle: Precipitation

Decomposers can be helpful or harmful to organisms.

Classify as Biotic or Abiotic: A raincloud

The release of naturally occurring chemicals such as Mercury and Cyanide during mining is NOT considered pollution.

Ecosystem diversity is the variety of different ecosystems within an area.

It would be useful to use a different axis scale on a graph showing both predator and prey population changes over time.

Classify as Biotic or Abiotic: Grass on the football field

Identify the Biome: Forested regions in high latitude environments where freezing temperatures occur for 6-8 months

Which of the following is being described? Consumes mainly animals

Campo Kumeyaay Experience: Cattle grazing had a positive affect on the water level on Kumeyaay land.

A climax community can remain stable for generations unless disturbed by natural or human forces.

Indicate whether each of the following is part of the water cycle or the carbon cycle: Run-off

Classify as Biotic or Abiotic: The soil in your garden

Which of the following is being described? Makes its own food using energy from the sun

Which level of the food pyramid is being described? This level has the fewest number of species/individuals.

Which of the following is being described? Consumes both plants and animals

Classify as Biotic or Abiotic: A wildfire

Campo Kumeyaay Experience: Commercial cattle grazing decimated the land, eating young plants, such as native oak trees.

Identify the Biome: A biome primarily consisting of grasses.

Campo Kumeyaay Experience: Farmers and ranchers planted oak trees to support cattle grazing and prevent erosion.

Campo Kumeyaay Experience: Large plastic covers placed in stream beds prevented water from seeping into the ground.

Only animals perform cellular respiration.

Classify as Biotic or Abiotic: Bacteria in your stomach that help you digest food