By 2050, it is projected that the world's population could be up to 12.5 _______.
All of the living organisms found in a particular area.
The cold areas where the sun's rays strike the Earth at a very low angle. Located around the North and South Poles.
The study of interactions between organisms and their environment.
The members of an ecosystem are DEPENDENT on one another for their survival.
The theme of ecology!
A level of ecological organization that includes all members of a SINGLE species that live in an area.
Scientists estimate about 1/5th (20%) of the __________ in the world may disappear in this century.
The sites between the polar and tropic zones. The climate ranges from hot to cold depending on the season.
Chlorofluorocarbons causing damage to this protective layer of ozone.
An example of a disturbance.
No organism is ______, or alone.
When cold water in the ocean begins to warm and starts to rise towards the surface.
The simplest level of organization in ecology.
An event that changes a community by removing organisms from it or altering the availability of resources.
A German biologist who is considered to be the father of Ecology and coined the term in 1866.
Verticales
The broadest level of ecology, the combined portions of the planet in which all life exists, including land, water, and air.
A brief period of time in which large numbers of species die out and disappear.
A collection of all the organisms that live in a particular place, together with their nonliving environment.
The day-to-day condition of Earth's atmosphere at a particular time and place.
Human activities are changing the composition of the atmosphere through the burning of ______ ______ (coal, oil, and natural gas)
The uneven heating of the Earth's surfaces is the driving force behind winds and ________.
A factor determining climate, the result of the Earth titled on its axis and solar rays striking the surfaces at different angles.
The _______ _________ is the mechanism that insulates our planet from the deep cold of outer space.
The trapping of gases in the atmosphere creates a ________ effect on the Earth.
______ occur because warm air tends to rise and cool air tends to sink.
Sites located near the equator. They receive direct or nearly direct sunlight all year long. Climate is almost always warm.
One of the most significant environmental changes to occur on Earth is the exploding _______ population.
A molecule composed of 3 oxygen atoms.
The average, year-to-year conditions of temperature and precipitation in a particular region.
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When you hit the 'Arrange' button, our algorithm will try to arrange all your words on the grid, and will move words around to try to fit the most words.
This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
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