October 26 & 27, 2011
Days 50 & 51
Ecology & Ecosystems
6 x 6 for Sixth Grade
Vocabulary
1. Nitrogen: a colorless, odorless, gaseous element that constitutes
about four-fifths of the volume of the atmosphere and is present in combined form
in animal and vegetable tissues,
2. Biome: a complex biotic community characterized
by distinctive plant and animal species and maintained under the climatic conditions
of the region,
3. Rain forest: A tropical forest, usually tall, and densely
growing,
4. Desert: a region so
arid because of little rainfall that it supports only sparse and widely spaced vegetation
or no vegetation at all
5. Coniferous forest: a type of forest characterized by cone-bearing,
needle-leaved trees
6. Tundra: one of the vast, nearly level, treeless plains of
the arctic regions of Europe, Asia, and North America.
Sentences
1. Nitrogen makes up 78 percent of Earth’s atmosphere, but
most organisms cannot use nitrogen in its gaseous form.
2. Ecologists divide the world into a few major ecosystems
that share common characteristics but are scattered worldwide, these ecosystems
are called biomes.
3. A tropical rain forest is predominantly found at or near
the equator.
4. Deserts are defined as regions where evaporation exceeds
rainfall, which makes a very interesting ecosystem to study.
5. A Coniferous forest has an average annual rainfall of 38
to 100 centimeters (15-40) inches per year.
6. A Tundra is a type
of Arctic grassland that is also found at elevations above timberline.
Details/ Facts
1. Many living things inhabit the Arctic Tundra
2. There is a Coniferous forest that covers the foothills of
the Alps in Southern Germany
3. Some major biomes are tropical rain forests, savanna’s,
deserts, grasslands, temperate deciduous forests, coniferous forests, and the
tundra
4. After nitrogen has been fixed by bacteria, it circulates
repeatedly between organism and the soil.
5. Scrub forests: A variant on the temperate deciduous forest
biome is the so-called scub forest, found in the direr Mediterranean parts of
the biome.
6. The herbaceous plants that grow in the arctic tundra tend
to be small and stunted
Questions
1. What is a water
cycle? A: A water cycle is the cycle of the water that has transferred through
the atmosphere, and has reached vegetation and soil as rainwater, but not all
of it becomes available to living things, the cycle comes from the rain onto
the roots that absorb the water, it sinks into the ground and into the ground
water that then evaporates and the cycle starts all over again because after
the water evaporates, it rains again
2. List 5 different common and important mineral nutrients
commonly found in fertile soil: nitrogen, phosphorus, calcium, chlorine,
manganese, molybdenum, and zinc
3. What percentage of the Earth’s atmosphere does Nitrogen
make up? A: 78 percent
4. What are the 8 biomes scattered worldwide? A: rain
forests, savannas, deserts, grasslands, deciduous forest, coniferous forests, the
tundra, and aquatic biomes
5. In what parts of the world do you commonly find rain
forests? A: The amazon river, the Congo basin, and Southeast Asia
6. What is a savanna? A: A Savanna is a transitional area
usually found between tropical rain forests and deserts
Math *define these math terms
1. Vertex: The
endpoint of an angle is called a vertex
2. Skew lines: lines that do not lie in the same plane
3. Plane: A two dimensional surface that goes on and on in
each direction without ending
4. Perpendicular lines: When two lines intersect, and the 4
angles on all sides of the intersection are exactly the same, the lines are called
perpendicular lines
5. Straight angle: An angle that is exactly 180 degrees
6. Parallel lines: parallel lines lie in the same plane and
are exactly the same distance apart
Current Events *use
Hyperlinks*
1. Find one current article discussing water issues in the
world: Water
issues link
2. Find one current article about the medicinal usefulness
of plants in the rain forest: Rain
forest SNUFFLELUPAGUS link
4. Find one current article about Nitrogen: Nitrogen link by Sophie
5. Find one current article about fertile soil: Soil link
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