APES Unit 1 The Living World Ecosystems

Weathering and erosion are important processes of this cycle

This cycle is driven by solar energy and gravity

What is the major reservoir of nitrogen?

Northern Hemisphere; maple, oak trees; long warm growing season & cold winter; Squirrels

The warmest month is

Processes include the formation of fossil fuels

open, sunlit surface layer away from the shore that extends to the depth penetrated by sunlight

Process of converting carbon dioxide into glucose

Primary Productivity is influenced by

When organisms die, their nitrogenous organic compounds are converted to ammonia

Which biome would have the slowest cycling of nutrients?

The driest month is

Which of the following would most likely occur if decomposers became extinct?

All of the following increase the amount of carbon dioxide in the atmosphere except

Nitrate is converted to nitrogen gas by soil bacteria

The main energy source on Earth is

The matter and energy laws tell us that we can recycle

Photosynthesis is the major source of which of the following gases in Earth’s atmosphere?

Warm year round; wet & dry; E. Africa, Brazil; lions, Zebras; elephant grass, African daisies

Decomposers are essential to life on Earth because they

Organic nitrate is used as nutrients for plants which are eaten by animals

Different birds compete for food along the river shore

Ammonium ions are converted to nitrite ions and nitrate ions which can be used by plants

A bobcat stalks, captures and consumes a rabbit.

Which law states energy cannot be created or destroyed, only converted to other forms

Plant-like organisms that support marine food webs

Transpiration and condensation are a part of the cycle

Plants get 100 units of energy, __ units support herbivores, and __ units support carnivores

Which organism listed below is correctly paired?

The loss of this species and cause other populations in the ecosystem to collapse

What is the major reservoir of carbon?

Two species have the same niche. When placed together, Species A survived while Species B died

A leech attaches to the leg of a human to feed off blood while swimming in a local waterway.

In this energy pyramid, the snake is a ___________consumer?

Conifer trees; Canada, Eurasia; Winters long & cold, short growth season; grizzly bear, moose

Water moves from aquatic/land systems to air

Cold, little snow, short summer season; polar bears, the musk ox, penguin; Arctic and Antarctic

Seeds harmlessly stick to what brushes on them: feathers, fur, clothing to spread their seeds

Which is an ecological service of forest ecosystems?

Resource partitioning can be accomplished through

NPP is 10,000 kcal/m2 per year. If respiration is 4,000 kcal/m2, what is the GPP of the ecosystem?

Respiration and photosynthesis contribute to this cycle

Which is an economic service of marine ecosystems?

Which of these animals eats on the lowest trophic level?

Dry; Daytime can reach 131 degrees, drop to near freezing; camels; date palm trees and cacti

Use the food web to answer the question. What is the role of the fox?

Only cycle that does not have an atmospheric reservoir

Two robins fight over a worm in a backyard garden

What is the major reservoir of phosphorus?

Which law explains the diagram below

An ecosystem includes

Two ways in which humans have most interfered with the carbon cycle are

Near the shore, shallow sunlit waters, high level of biodiversity

Equation for calculating NPP

Which option completes the chain: ____ -> grasshopper -> toad -> snake -> hawk?

Atmospheric nitrogen gas is converted to ammonia by bacteria in the soil or by lightning

Evergreen shrubs; California; mild, wet winters & warm, dry summers; kangaroo, gemsbok

Red-headed woodpeckers forage for insects deep in a tree while warblers travel up tree trunks

A bumblebee transports pollen from one flower to another helping it reproduce as it gets nectar

Which is an ecological service of marine ecosystems?

Why are there usually fewer than five levels in an energy pyramid?

warm, nutrient-rich, shallow water that contains 90% of all marine species

What is the major reservoir of water?

the most important abiotic factor in determining a biome is

The levels of organization in order from smallest to largest: _________, population, community, ________, biosphere

Most biologically diverse; near the equator; lush vegetation; high temperature and rainfall

Prairie; Bison, prairie dogs hawks; fertile soil; plains of North America, steppes of Eurasia

What is one major way in which humans negatively impact the water cycle?

Chemosynthesis

Bacteria that lives on the roots of legumes are used in this cycle

An abiotic factor includes all of the following except

What do primary consumers eat?