The practice of planting different crops sequentially on the same plot of land to improve soil health.
The acidification of soil that occurs when inorganic substances such as sulphates,nitrates and phosphates are deposited in the soil
The ability of an ecosystem to absorb disturbance and keep its basic structure and viability.
a species' average population size in a particular habitat which is limited by environmental factors
when an excess of nutrients (nitrogen and phosphorus) causes an abnormal growth of algae in waterways
Small, self-sufficient communities that live from and for their natural surroundings.
The surroundings or conditions in which a person, animal, or plant lives or operates
A type of renewable energy source which comes from living materials, such as microbial, plant or animal materials.
The decrease in forest area due to clearance of these areas for other uses such as, agricultural croplands, urbanization, or mining activities.
The use of something for a purpose other than its original intended use
A natural process that warms the Earth's surface
Converting waste materials into new materials and objects
Growth of cities and an increase in the proportion of people living in urban areas compared to rural areas
energy that has been derived from earth's natural resources that are not finite or exhaustible
Any material made naturally that is used by humans or living things.
A natural resource that can be used and replaced over a relatively short time.
A natural resource that cannot be replaced or that can be replaced only over thousands or millions of years.
Energy as solar, wind, or nuclear energy that can replace traditional fossil fuel sources, such as coal, oil, and natural gas.
Renewable energy derived from burning organic materials such as wood and alcohol.
Conservation method in which old materials are processed to make new ones.
Nonrenewable energy resource, such as oil and coal, formed over millions of years from the remains of dead plants and other organisms.
Inexhaustible energy resource that used hot magma or hot, dry rocks from below Earth's surface to generate electricity.
Electricity produced by water-power using large dams in a river.
Alternative energy source that is based on atomic fission.
Energy from the Sun that is clean, inexhaustible, and can be transformed into electricity by solar cells.
Careful use of resources to reduce damage to the environment though such methods as composting and recycling materials.
A resource that remains in constant supply and will not run out.
Fossil fuel formed from marine organisms that is often found in tilted or folded rock layers and is used for cooking and heating.
All jobs relating in some way to plants, animals, and renewable natural resources
Activities concerned with the production of plants and animals, and the related supplies, services, mechanics, products, processing, and marketing
Commercial firms that have developed with or stem out of agriculture
Application of science to an industrial or commercial objective
Raising of finfish, shellfish, and other aquatic animals under controlled conditions.
Application of enginerring principles in agricultural settings.
Use of modern principles and practices in animal growth and management.
Use of modern principles in growing and managing crops
The study of the properties and management of soil to grow plants.
Use of cells or components of cells to produce products or processes.
Abreviation for pest control program based on multiple-control practices.
Food that has been grown wthout the use of certain chemical pesticides.
All aspects of water conservation and management.
Space and mass around us.
The turfgrass plant and soil immediately below it.
Basic science of the plant and the animal kingdoms.
Science dealing with the characteristics of elements or simple substances.
Chemistry as it applies to living matter.
Science of insect life.
Science of soils and field crops.
The science of producing, processing, and marketing fruits, vegetables, and ornamental plants.
Plants used for their appearance.
Animal growth, care, and management.
Management of agricultural resources, including farms and agribusinesses.
Teaching and program management in agriculture
Type of resources provided by nature that can replace themselves.
the first step in starting a farm when the crop to be grown has already been decided.
unwanted plants which grown along the useful crops
when soil is scraped up and heaped around the base of a plant to form a small mound using a hoe or trowel
any type of material that is spread or laid over the surface of the soil as a covering
the method in which a controlled amount of water is supplied to plants at regular intervals for agriculture
used to improve production by restoring nutrients to your soil. It makes fields more productive.
the ability of a soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality.
a natural medium for plant growth and it supplies nutrients to plants.
organic material that forms in soil when plant and animal matter decays.
the ability of the soil to supply essential plant nutrients and soil water in adequate amounts and proportions for plant growth and reproduction.
the process of removing trees, stumps, brush, stones and other obstacles from an area of land
The process of loosening and turning of the soil
the process of planting seeds
the shape and rise of the land surface
the distance between seeds in a given row and the distance between rows
Organisms that make their own food
The variety of species in an ecosystem
Organic matter that derives from living or recently living organisms
The area on earth were organisms live
An organism that only gains energy from other animals
The maximum quantity of organisms in an area
All the organisms in a habitat working together
An organism that gains energy from deceased organisms
Form of biology
Representation of energy flow
A simple diagram that represents the consumption of organisms in an ecosystem
Complex combination of food chains
An organism that only gains energy from plants
Animal that gets it's energy from autotrophs
An object or organism the limits the growth of a population
Organism that eats meat and plants
amount of organisms in one species
An organism that hunts another organism
An organism that is hunted by a predator
the action of surface processes (such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location.
wear away or change the appearance or texture of (something) by long exposure to the air:
Waves of energy that travel through the Earth's layers, and are a result of an earthquake, explosion, or a volcano that gives out low-frequency acoustic energy
an instrument that measures and records details of earthquakes, such as force and duration.
the point on the Earth's surface that is directly above the hypocentre or focus, the point where an earthquake or underground explosion originates.
the great size or extent of something
a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, ash, and gases to escape from a magma chamber below the surface.
is one of several very large landmasses on Earth
a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets.
the line at which the earth's surface and the sky appear to meet
a solid inorganic substance of natural occurrence.
the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles
a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
Largest particle dries quicl;y and texture is rough and gritty.
Relative proportions of sand, silt, and clay
What the soil is composed of air, water, nutrients, and orgainic matter
the proccess by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, ext.
How much water the soil will allow through
Depends on how many pores and the size of the pores
influenced by the amount of proteins present in the soil
used to identify different types of soil
the break down of rock and minerals by rain, acid, salt, wind, and temperature into sediments
Medium sized particles, texture is smooth and powdery when dry and slippery when wet.
smallest particle; smooth and hard as stone when dry and sticky when wet
Mixture of sand, silt, and clay. Best type of soil for growing plants.
soil layers; more mature soil has more horizons
Mixture of rock, minerals, and organiz matter
living particles in soil
non living particles in soil
Mostly made of decaying leaves, twigs, and animal remains/waste
loose soil that is rich in organic material needed by plants
rich in minerals that are wased down in minerals that are wased downfrom topsoil by rain
slightly broken up rock. plants roots cannot go through this layer. Mostly inorganic.
also knowthe parent material. unweathered solid rock bneath all layers.
the extraction of valuable minerals or geological materials from the earth.
a natrual material with a high concentation of metals and valuable materials that can be extracted for a profit.
when a mine is no longer being used, the land should be restored to its former state or better.
minerals or substances that occur in nature and can be used for economic gain.
a natural resource that can be replaced quickly enough so that we will not run out
hydrocarbons created from the remains of formerly living organisms used for energy.
a natrual resource that we need to use carefully because it cannot be replaced quickly and we will run out.
This is a renewable resource that is provided every day by a major part of our solar system.
This is a nonrenewable resource that is made up of another energy source.
This is a nonrenewable resource that is in the periodic table and makes up another energy resource.
A nonrenewable resource that takes a very long time to form from decomposing organic matter.
A renewable resource that is created from the burning of sugarcane and/or wood.
A nonrenewable resource that was formed from tiny sea animals and plants millions of years ago.
A renewable resource that is made from rotting plant material.
A nonrenewable resource that is made from heat in the Earth.
This is a renewable resource that is made from the differences in air pressure.
A fossil fuel that is nonrenewable and is formed for over millions of years.
non living factors that effect an organism
an organism that eats only meat
the number of people, other living organisms, or crops
a group of interdependent organisms of different species growing or living together in a specified habitat
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
an animal that feeds on dead organic material
The ecological role and space that an organism fills in an ecosystem.
The progressive replacement of one dominant type of species or community by another in an ecosystem until a stable climax community is established.
the scientific analysis and study of interactions among organisms and their environment
to represent the flow of food energy and the feeding relationships between organisms
A graphical model showing the interconnecting food chains in an ecological community
an organism that eats only plants
Non-native species disrupting and replacing native species
A factor present in an environment that controls a process, particularly the growth, abundance or distribution of a population of organisms in an ecosystem.
an organism that eats plants and animals
the amount of organisms of the same species in an area
one is predator, one is prey
an organism that makes its own food
A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode.
a biological community of interacting organisms and their physical environment
the increasing concentration of toxic substances within each successive link in the food chain.
a species that has a disproportionately large effect on its environment relative to its abundance
An organism that generally obtains food by feeding on other organisms
a type of natural resource that cannot be replaced or can only be replaced after thousands or millions of years
protecting our natural resources and using them responsibly
a type of natural resource that can be replaced
a solid, non-living substance found in nature
a non-living substance made of one or more minerals; there are 3 main types
a material that is burned for energy
a mixture of minerals, weathered rocks, and decayed plants and animal matter
a type of resource found on Earth that is necessary or useful to people
the trace or remains of an organism that lived long ago
type of energy from the sun
died out, leaving no more of that type of organism alive
when harmful things get into the water, air, and land
a type of energy that comes from moving air
energy made from moving or falling water
a type of resource that can be used again and again
energy from living things, plants or animals, or waste
a type of energy made from heat inside the earth
melted rock that is underground in the mantle layer of the Earth
combination of sand, silt, clay and humus; best soil for plants
tiny bits of weathered or broken-down rock and once-living animals and plants
A body of standing water, either natural or artificial, that is usually smaller than a lake
They are found in mountain regions worldwide.
The second-rainiest biome.
A barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life.
An area of variable size filled with water, localized in a basin, that is surrounded by land.
A land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem.
A large naturally occurring community of flora and fauna occupying a major habitat.
High rainfall,It has been estimated that there may be many millions of species of plants, insects and microorganisms still undiscovered.
It does not have much animal diversity, especially compared to the Savannah.
A type of biome where the tree growth is hindered by low temperatures and short growing seasons.
A wetland that is forested.
It is characterized by the trees being sufficiently widely spaced so that the canopy does not close.
A body of water with a current, confined within a bed and banks.
The world's largest biome apart from the oceans.
A natural flowing watercourse, it is usually freshwater.
A body of saline water that composes much of a planet's hydrosphere.