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PRESENTATION OUTLINE

LLELA

Science Field Trip

TROPISM

TROPISM
Tropism is the turning of all or part of an organism in a particular direction in response to an external stimulus. I saw some tropism when we first started walking the trail some trees were bending to find the light of the sun.

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ADAPTATION

ADAPTATION
Adaptation is a change or the process of change by which an organism or species becomes better suited to its environment. When we were walking we saw a snake, this snake looked a lot like the ground it was very hard to spot it, so this snake used camouflage to make it self look like its environment.

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ecozone

ECOZONE
An Ecozone is a large geographical area in which human activities interact with the natural world. An example of Ecozone is a marsh land which we happen to see on one of our trails.

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ABIOTIC
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals.

BIOTIC
Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms.

RITTER CEMTERY

RITTER CEMENTERY
The Ritter Lake Community consisted of a school, the cemetery, a general store and perhaps 100 families scattered on land that now lies at the bottom of the southeast corner of Lake Lewisville. Most of the people living here that died were buried in Ritter Cemetery. The cemetery was established in the year of 1860, and the first person buried was 5-year-old Elizabeth Ritter, her death was recorded as March 26, 1860.

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ERosion

EROSION
The process of eroding or being eroded by wind, water, or other natural agents. When we came to the end of the trail their had been minor erosion at the edge of the lake the water must have broken down the rock leaving layers behind.

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Pond

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POND
Their was two ponds at LLELA the one on the left had the native plants and micro orginsims to our area while the pond to the right had a different variety of plants, and micro organisms, so the pond on the left would have different results in water, temp, and etc. from the pond on the right.

Left Pond

RIGHt pond

tracks

TRACKS
Tracks are footprints or other marks left by an animal, person, or vehicle. On the trail we saw a few animal tracks though its hard to tell what animal could have made the tracks.

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