Ecology & Environment Crossword Puzzles

makes up 78% of earth's atmosphere, the second most abundant gas in earth's atmosphere, the measure of the force of air molecules on a …

the process by which the land becomes desert, a long period in which there is little or no rain, gases and other substances discharged into the air, …

a type of pollution caused by cars and factories, you can do this to old paper to make new paper, a natural resource that needs to be conserved, a …

reduced visibility often caused by pollution, at risk of becoming extinct, a long period of low rainfall, the large-scale clearing of forests, the …

generally features cool summers (relative to their latitude) and cool winters, with a relatively narrow annual temperature range and few extremes, is …

a rise in average global temperatures, the average weather conditions in an area over a long period of time, large, clockwise rotating tropical …

the species that benefits from a relationship that harms the other species, symbiotic relationship in which one species benefits but the other species …

factors such as food, water and shelter that can affect a population based on the size of , the population _ is the number of individuals in a given …

the contamination of the atmosphere by pollutants from human and natural sources, measuring how clean or polluted the air is, is produced when …

a colorless, odorless and tasteless gas used as fuel to provide energy for homes and industries. rotting vegetable can produce _ , a _ is a linear …

this process converts ammonia to nitrite and then to nitrate, this is the process by which nitrogen gas from the atmosphere is converted into ammonia …

a naturally occurring mineral containing a valuable constituent (such as metal) for which it is mined and worked, to make less or cause to appear …

an organism that needs to eat other organisms for food, an animal that eats plants, an animal that hunts or eats other animals, an animal that eats …

an amorphous hydrated ferric oxide, varying in color from dark brown to yellow, used as an ore of iron, soil formed by rock decay and left as a …

water-based, water bodies with less than 1% salt, water bodies with, smaller non-flowing water systems; may be seasonal, larger non-flowing water …

a living renewable energy source, what kind of transportation is “people powered”, what is the most widely used renewable power source, what part …

pellets of frozen rain which fall in showers from cumulonimbus clouds, cumulus clouds are the puffy clouds that look like puffs of cotton, a tool that …

movement of air from one place to another, boundary between two air masses, step of the water cycle when liquid water turns into water vapor, step of …

to move from one object to another or one place to another, weather over time, when something becomes different over time, an amount of air that moves …

significantly impact water quality by causing excessive growth of algae, increase temperature and reduces oxygen levels and may harm river species, …

one form of environmental friendly energy (hint: we got a new project), number of types of plastics that are most commonly used, over 1 million marine …

the tundra gets very little _ , desert biome receives very little annual _ , tundra: most of its water comes from _ , the _ desert in mongolia is a …

the uppermost layer of vegetation in terrestrial biome, a narrow stratum of rapid temperature change in the ocean and lakes, a terrestrial biome at …

a rapid discharge of electrical energy into the atmosphere, flooding occurs within a few hours of heavy or excessive rainfall, fluffy white stuff from …

the alps, a dense woodland in equatorial area, a black leopard, a large reptile, an indian mammal, they like chirping in the trees, a plant type, a …

the breakdown of rock results from chemical change in the rock, commonly known as "rust". it occurs when oxygen combines with another …

form of radiation with wavelengths are longer than those of red light, layer where weather occurs, movement of air parallel to earth's surface, …

a long period of time without rain, animals, such as wolves, are doing this to make their homes in the ground, when water seeps into cracks, then …

when the land warms up, it heats the air above it. this causes the air to expand and rise, air rises and it cools and condenses, the horizontal …

caused by uneven heating of land and water which causes a rising and sinking of warm and cool air masses creating convection currents, water changing …