APES Ecology Review

The world's oceans make up what percent of the planet's biosphere?

This process converts carbon dioxide or methane into carbohydrates using hydrogen sulfide

The hydrosphere includes all of the following EXCEPT

Long term differences in which two variables are the primary determinants of climate?

Biodiversity is a direct result of which of the following?

Which is necessary to calculate the net primary productivity of an ecosystem?

A group of cats, Felis concolor living and breeding in one area at the same time are a:

Which decreases the amount of carbon dioxide in the troposphere?

Secondary productivity is:

A species whose decline indicates damage to the habitat

A species with a narrow niche, which can only live in a certain habitat.

Organisms use different resources in the same habitat to avoid competition, this is:

Ozone is this layer blocks UV light from the sun

A greenhouse gas emitted not the atmosphere though transpiration and evaporation

On the leeward side of a mountain range, one would expect

The North Atlantic Current provides which of the following for Europe and N. America?

Which of the below is an example of a change in weather?

Species that play a pivotal role in the habitat are:

Fig Trees provide shelter & fruit that are essential to the survival of many species, fig trees

This is a process whose end products can vary from methane gas to ethyl alcohol

During an ENSO event, weather events change in which of the following areas?

If the current trend of deforestation continue, the loss of forested land would

As pollution levels in streams rise, Mayfly quickly disappear. The mayfly is a 

The strongest influence on the thermohaline current is due to:

Which is a greenhouse gas produced by raising cattle?

What forces are most responsible for moving water through the hydrologic cycle?

Primary productivity is:

A hurricane's course depends upon location and

Which is the best summary of evolution?

Three species of grasses compete for  sunlight in a grassy lawn is an example of:

Which of the following best describes the direct of the flow of energy in a food chain?

The vertical range that contains the biosphere is roughly

Which of the following conditions may indicate an El Nino?

Which cycle does NOT include an atmospheric component?

The long-term storage of phosphorus and sulfur is in which of the following forms?

Demonstrated by broad-leafed plants in a rainforest

The vertical heating and cooling of air.

Nitrogen cycles through the ecosystem and is primarily controlled by

Which tropic level would contain the greatest amount of biomass in an ecosystem?

A limiting factor for most plant growth in lakes and terrestrial systems.

The concept of net primary productivity is the rate at which:

Demonstrated by the two organisms involved in forming lichens

Demonstrated by nectar producing flowers.

Which of the following does NOT emit greenhouse gases?

Keystone species such as alligators in the SE US have an important role in their environment by

Which of the below is not an important ecological role of insects?

All of these are greenhouse gases EXCEPT

The collection of all gases held to the earth by gravity.

A complex community of organisms linked by interacting energy and nutrient flow is called a(n)

Change in gene frequency is known as

The size and isolation of an island would have the greatest effect on its

The rate of this process depends on atmospheric conditions such as wind, temp, and humidity

The beaver transforms the environment from streams to ponds, it is a(n)

Demonstrated by even spacing of penguins on the shore.

The deflection of wind to the east in the Northern Hemisphere & west in the Southern is due to

Branching evolution, producing many branching lines of descent from a single ancestral source:

Biomass can be

Which is the smallest reservoir of the global hydrologic cycle?

An ant living in the Acacia tree, protect the tree from herbivores and feed off the tree, ex of

ENSO takes place at intervals of 2 to 7 years and lasts approximately

Which gas contributes to the greenhouse effect and is a byproduct of bacterial metabolism?

Which is NOT a mechanism employed by plants to defend themselves from predators?

The current trend where some species of bacteria have become resilient to antibiotics is called

Also known as mineralization, carried out by decomposers and returns nutrients back to soil

The global circulation pattern that dominates the tropics is called the

A nonnative species

Which is NOT a human intervention in the nitrogen cycle?

When a species has no competitive limitations, it has a 

Kelp forms large beds creating habitats for many fish and shellfish.  Kelp is a(n)

Of the following, the factors that best explain why the earth has seasons are

Plants converting inorganic nitrogen compounds into organic compounds such as amino acids

Which would be a good measure of primary productivity?

The location of our daily weather.

The movement of air between masses with different pressures.

When two species live in the same habitat and use the same resources what will occur?

On land, water that reaches the atmosphere from the surface of leaves is a process known as:

The species that normally live and thrive in a habitat is a 

Which of the following occurs during an ENSO event?

A group of individuals of the same species in the same geographical area is known as a

Which regulates the flow of nitrogen not and out of its largest reservoir?

Which of the following organisms is not likely to be found as a member of the detritus food web

Which best illustrates the process of evolution?

Which compound can be stored in marine sediments for long periods of time?

If producers have 20,000 kcal available, how much energy would be avail for secondary consumers

Which would increase competition among a squirrel population?

Total productivity is:

The Agave plant defines the Chihuahuan Desert of Northern Mexico. The Agave plant is a(n)

The process that can release nitrous oxide, a greenhouse gas, into the atmosphere.

Typically, large urban cities are a few degrees warmer than their surrounding suburbs. This is: