ENVS 150 FINAL

The cohesion theory states:

The loss of water through special openings (not stomata) in the leaves is called:

Plants can be assisted with the uptake of phosphorus by

Upward movement of water occurs mainly in the _______ through passive ________ driven by _______.

Phosphorus (P) is used by the plant as a component of:

More than 90% of a living plant is composed of which elements?

___________________ is the amount of water the soil can hold against the force of gravity.

This biome is found on five continents with plants that look similar but are not related.

The two largest terrestrial biomes in the world are:

When the south pole is tilted toward the sun and the sun rays hit the tropic of capricorn at a 90 degree angle:

A rain shadow is what area?

This biome is home to the greatest number of plant and animal species

How many systems or belts of surface winds in each hemisphere determine the patterns of precipitation and vegetation?

What is the LEAST LIKELY cause for habitat fragmentation?

The carrying capacity of an environment changes with:

Conservation Biology:

Ecologists characterize species richness by the r/K selection theory. Which is NOT a trait of K selected populations?

A vertical section of soil extending through all its horizons from the surface to the parent material is known as:

What is NOT true for Potassium (K):

One element NOT supplied naturally by air and water is _____.

Active transport of molecules across membranes occurs through:

Weather patterns are affected by:

Which of the following is NOT a characteristic of an aquatic biome?

This biome supports a low number of plant species, receives little rain, and plants have shallow root zones due to permafrost and wet soil.

Climate in an area is primarily dependent on:

Global warming is changing the geographic distribution of biomes. Which of the following statements is NOT a likely result of global warming?

This biome receives ample rainfall, has annual temperatures from 5°C to 20°C, and is home to spruce, fir, pine, hemlock, and redwood.

Wetlands are important ecosystems because they:

The discipline of ecology studies:

Herbivory is a common example of:

The pressure flow hypothesis does NOT explain:

Nitrogen (N) is used by the plant as a component of:

____________________occurs when a plant wilts, and cannot recover when placed in a saturated atmosphere.

The correct order wind systems between the equator and each pole is:

Which of the following statements about biomes is NOT true?

Desert biomes have these features:

The major processes in the nitrogen cycle are:

Put the levels of ecological study from the smallest to the largest.

Population ecology studies:

Myrmecophytes are:

Which of the following applies to soil horizons?

___________________is a nitrogen-fixing bacteria that forms a symbiotic relationship with legumes.

After the complete decomposition of organic matter, the remaining complex, amorphous, colloidal substance is called:

Water flows from:

Essential elements for plant growth:

Atmospheric conditions experienced at a particular time:

Most of the temperate grasslands in the northern hemisphere have been converted to:

How much energy is passed from one trophic level to the next in an ecosystem?

When the north pole is tilted towards the sun and the sun rays hit the tropic of cancer at a 90 degree angle:

Population size is affected by:

Wetlands are found in:

Which of the following statements is NOT true for hydroponic porous

Soil particles are separated into their respected sizes and the percentage in each size category is calculated to determine:

Wetlands are important to the ecosystems because they:

Which of these are NOT an example of mutualism:

Terrestrial biomes are primarily characterized by

Which of the following statements about succession is NOT true

Primary succession is characterized by the following

The first limiting nutrient for plants is usually

Chlorosis is ________ of the leaves

Which of the following is NOT a mechanism of ion exclusion from plant cells?

The force of attraction between two like molecules ( like water and water) is called

The prevailing atmospheric conditions of an area over a long period of time

A simple food chain has the following levels in hierarchical order

Topsoil is found in the ___ horizon.

Nitrate is highly soluble and can be leached from soil by:

This biome is dominated by trees such as oak, elm, poplar, beech and maple and is desirable for human settlement and agricultural production.

The force of attraction between unlike molecules (such as soil and water) is called:

Ecological succession occurs in:

Water WILL move into a cell when

Nutrient deficiencies appear first:

Ecologists characterize species richness by the r/K selection theory. Which is a trait of r selected populations?

Cultivation is tillage between seedling emergence and crop harvest, and serves all these function except:

Organic soil amendments include crop residue, animal manure, compost, and ___________.

A ______________ is sometimes used in seedbed preparation because it is effective in breaking up soil crusts, reducing clod sizes, and destroying small weeds.

____________ is defined as mechanical manipulation of soil to provide a favorable environment for crop growth.

Most insects have _____ economic impact on humans. Actually only__% ever reach pest status.

A ___________ refers to a subpopulation of plants within a species differing only slightly from the general population.

_________ is the use of pesticides to supress or inhibit pest/pathogen activities.

______ and ________ are examples of higher plants that cause damage because they are hemiparasites (water parasites) or true parasites because they lack chlorophyll and depend on the host for all nourishment.

_______________ is a method to control (manage) pest that should be used as a last resort in a sustainable agricultural integrated pest management system.

________ are the most serious vertebrate pests, however deer, mice, gophers, squirrels, rabbits, nutriarats, beaver, racoons, and various birds may also become pests.

People that grow plants must have a firm understanding of weed science, / and must learn to manage plant pests or otherwise minimize plant losses caused by important plant pests.

Which of the following are known to support mutually beneficial associations?

Between 40-50 degrees latitude with 30+ inches of rainfall per year _____ ______ developes.

_____ occurs when more than one organism draws on a resource that is in short supply.

_____ break up large pieces of organic matter into smaller pieces. They are the first step in decomposition.

At the equator, temperatures are _________ all year round and trade winds carry ________ off oceans resulting in high levels of ________.

The largest biome on earth is the ________.

______ is the main influence on vegetation type.

Establishing a deeply rooting permanent cover crop, such as a mixed grass-alfalfa cover crop, can do all except:

Instead of plowing, disking & otherwise cultivating to remove old vegetation, ____are used to kill the vegetation which is left in place.

_____________ irrigation is an outdoor surface irrigation system used for row crops.

_________removes soil faster than new soil can form, reducing productive topsoil depth.

Level land is less likely to erode from water than sloping land—but can be more vulnerable to ______.

__________ controls are considered an environmental-friendly alternative to using pesticides.

_________ is a method of freeing plants of the virus organism. This method involves keeping the virus infested plant at 38 degrees C for 20-30 days.

Genetically resistant plants may occur naturally, or through classical plant breeding programs, or may be derived thorugh the use of molecular biiology techniques commonly called ________.

Weeds can be classified as _______, , or.

Plant _________ require a wound in order to enter the plant cells; once in, they can move freely from cell to cell via the _______.