What is an animal called that consumes both plants and animals for food?

Microorganisms that break down organic material for energy and body-building materials is called?

An organism that can produce its own food through photosynthesis is called?

What are animals that only eat other animals called?

Organisms that make food materials from simple inorganic substances are called?

Organisms that are unable to synthesize their own food from inorganic substances are called?

An organism that must consume other organisms, or their products, to gain energy are called?

Organisms that feed on the organic matter of dead plants and animals is called?

An element of the environment that controls the population growth or population distribution of an organism in an ecosystem is called?

What is a long-term relationship between organisms of different species called?

What is the space and role organisms assume in an ecosystem?

What is a form of symbiosis in which both species benefit?

What is a form of symbiosis in which one species benefits and the other species is neither harmed nor helped?

What is an organism that lives in, with, or on another organism, does not contribute to the host, and usually causes some harm to the host?

What is the process of plant species becoming established in an area that was previously inhabited?

A community of organisms and its nonliving environment is called?

All the water on Earth, whether liquid, solid, salty, or fresh is part of the...

The angular distance of a location on the earth north or south of the equator is called the?

All the communities of living things on Earth is called?

The study of the interrelations between living organisms and their environment is called?

The gaseous layer that encompasses the earth is called?

The amount of water vapor in the air is called?

The soil and rock that make up the earth's crust is called?

What is the variety of life forms within a biome or in an ecosystem?

What is a group of individuals of the same species sharing the same geographic area?

What is the temperature, humidity, atmospheric pressure, wind, rainfall, atmospheric particle count, and related meteorological features of an area noted over a long period?

Which biome covers about 11 percent of the earth's terrestrial surface and has cold, long winters?

What biome is found in regions of the world where temperatures are high throughout the year and rain falls almost daily?

Which biome has deep, fertile soil and a temperature climate, making it some of the most productive farmland in the world?

A pattern in which individuals of a species are evenly spaced is called?

Environmental factors whose effect on population growth varies with the density of the population is called?

The distribution of an organism in a geographic area called?

A pattern in which individuals are spaced irregularly called?

Environmental factors that influence the size of a population regardless of the density of the population called?

A pattern in which individuals are grouped in different parts of a habitat is called?

Plants with thick, fleshy leaves and stems are called?

A proposed scientific explanation for the cumulative genetic change in a population of organisms from generation to generation is called?

The ability of plants to adjust to their ecosystem is called?

The mechanism by which evolution proceeds is called?

The variety of genes within a species is called?

Stored collections of seeds from plants are called?

The movement of water in soil is called?

Proportions of sand, silt and clay in soil is called?

The broadest groups on a soils map and are designated by Roman numerals I through VIII and are called?

The moving of surface water into the soil is called?

Soil groups within on class and are designated by adding a small letter e, w, s, or c to the class numeral are called?

The arrangement of the soil particles into shapes and pieces is called?

The ease of working with soil is called?

Movement of water downward through the soil is called?

An area where most plant roots grow is called?

Horizon that is usually composed of the plant material of the soil and that has had little soil-forming activity called?

A vertical cross section of the soil is called?

The process of materials moving within the soil horizons is called?

The accumulation of chemicals, clay, iron and other materials in the B horizon are called?

The area often referred to the B horizon is called?

Materials such as fallen leaves, windblown dust, or chemicals from air pollution that accumulate in the soil is called?

Materials that leach or erode from the soil is called?

The loss of clay, iron, and other materials over time due to leaching is called?

The surface layer where organic matter accumulates is called?

Organic matter and minerals being altered in the soil are called?

What is a term sometimes used for the A horizon?

What is the primary composition of the O horizon?

Which horizon is underlying bedrock, such as limestone, sandstone, or granite?

Which horizon is best suited for growth of plant roots?

A lack of water clarity caused by the impact solid materials suspended in water have on the transmission of light is called?

The presence of dissolved solids, such as calcium and magnesium ions, in water is called?

The condition of water for a particular use is called?

Water found on the surface of the earth in lakes, streams, rivers, and oceans is called?

The composition of water is called?

Water found within the earth in the pores, cracks, and openings of soil and rock are called?

Water that is safe for human use and consumption is called?

An inland basin of relatively deep water that is large enough to produce a wave-swept shore is called?

A huge mass of ice formed from compacted snow that flows over a land as a result of gravity called?

Fresh water released by melting snow or ice is called?