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Continuity of Learning Assignments Essential Activity Read … · 2020. 4. 29. · 5 wkaw l cha lq...
Transcript of Continuity of Learning Assignments Essential Activity Read … · 2020. 4. 29. · 5 wkaw l cha lq...
Continuity of Learning Assignments Grade: 6 Subject: Science
Monday day 21/22 Tuesday day 23/24 Wednesday day 25/26 Thursday day 27/28 Friday day 29/30
Essential Activity
Ecosystem Notes (Word Document)
Watch Abiotic vs Biotic
Video
Essential Activity
Reading Science 1 – Otters and Urchins
Instructions: Read the article and answer the questions at the end.
Essential Activity
Review your Ecosystems Notes
Read “For the Love of Vultures” answer the
questions
Watch Biology Systems – Cells to Biomes Video
Essential Activity
Watch Limiting Factors Video
Read “Problems
Heating Up for Pikas” and answer the
questions
Essential Activity
Read “Coronavirus Outbreak” and answer
the questions
Scavenger Hunt
Instructions: Fill out the Scavenger Hunt handout, go outside, find examples for each.
Extension
Abiotic and Biotic Venn Diagram
Instructions: Create a Venn diagram that compares and contrasts abiotic and biotic factors in an ecosystem. Be sure to provide examples of each in the Venn diagram.
Extension
Nat Geo Habitat Website
Instructions: Visit the Nat Geo website and explore different ecosystems around the world.
Extension
Animal Research
Instructions: Research your favorite animal. Write a paragraph detailing the important facts about your animal, including the ecosystem it lives in and the role it plays in that ecosystem.
Extension
Be a Reporter
Instructions: Create a presentation for a TV show that highlights the effects on a population if some of the plants and animals in a community become limited or if there are too many,
Extension
Ecological Based Games Website
Instructions: Use this website to play and explore different ecological based games.
ECOSYSTEMS
ORGANISM – A LIVING THING
ECOSYSTEM
A. INCLUDES ALL OF THE ORGANISMS AND ENVIRONMENTAL FACTORS IN A CERTAIN AREA. B. A UNIT THAT CAN BE ANY SIZE. C. AS SMALL AS YOUR BACKYARD RIGHT UP TO THE LARGEST ECOSYSTEM IN THE WORLD, THE
BIOSHPERE. D. AN ECOSYSTEM IS A COMMUNITY MADE UP OF BIOTIC AND ABIOTIC THINGS IN AN
ENVIRONMENT INTERACTING WITH EACH OTHER
BIOTIC – LIVING OR ONCE LIVING
ABIOTIC – NONLIVING
BIOTIC
LIVING THINGS GROW, CHANGE, PRODUCE WASTE, REPRODUCE, AND DIE.
EXAMPLES: ANIMALS, PLANTS, FUNGI, PROTISTS, AND BACTERIA
ABIOTIC
NONLIVING THINGS DO NOT GROW, NEED FOOD, OR REPRODUCE.
EXAMPLES: SUNLIGHT, WATER, AIR, SOIL, MINERALS, TEMPERATURE AND CLIMATE
EXAMPLES OF ABIOTIC FACTORS
A. AIR – THE AIR THAT SURROUNDS THE EARTH (ATMOSPHERE) B. WATER – ALMOST ALL OF LIFE’S PROCESSES REQUIRE WATER C. SOIL -- SOIL CONSISTS OF ROCK AND MINERAL PARTICLES, WATER, AND DEAD ORGANISMS.
DIFFERENT SOILS HAVE DIFFERENT NUTRIENTS, SO DIFFERENT SOILS SUPPORT DIFFERENT TYPES OF PLANT LIFE.
D. SUNLIGHT --THE ROOT OF ALMOST ALL OF OUR FOOD CAN BE TRACED BACK TO SUNLIGHT PLANTS CAPTURE THE SUN’S ENERGY AND USE IT TO PRODUCE ENERGY. ANIMALS THEN EAT PLANTS TO OBTAIN ENERGY.
E. TEMPERATURE/CLIMATE -- MOST ANIMALS AND PLANTS CAN SURVIVE ONLY IN CERTAIN TEMPERATURE RANGES. TEMPERATURE IS AFFECTED BY SUNLIGHT. CLIMATE – THE SET OF CONDITIONS (TEMPERATURE, WIND, RAIN) IN A PLACE OVER A NUMBER OF YEARS.
L.6.3.1–3.3 Ecosystems
Otters and Urchins
1 The giant kelp forests along the coastlines of the northern Pacific Ocean are interesting ecosystems. The kelp in these ocean forests can rise over 250 feet from the ocean floor! The kelp forests provide a very important habitat for many sea creatures. Two creatures play a huge role in the health of this ecosystem—the sea otter and the sea urchin.
2 The sea otters help keep balance within this ecosystem. How do the sea otters do this? They stop the kelp forest from being overgrazed by the sea urchins. While sea otters eat many types of food, their favorite food is the sea urchin. In fact, they eat so many that it helps to keep the number of sea urchins in balance. In the 1990s, scientists noticed that sea otter populations were dropping in these ecosystems. After several studies, scientists found that orcas (killer whales) had shifted their diets. Orcas normally feed on sea lions, harbor seals, and, sometimes, larger whales. They were now eating sea otters at a level that had not been seen before the 1990s. What the scientists did not know is why the orcas suddenly turned to sea otters for food.
3 In the 1990s, commercial fishing practices shifted the food sources of sea lions and harbor seals.
Some scientists thought this may be the answer. Other scientists thought it may have been due to shifts in temperatures of the oceans as a result of climate change. Shifting ocean currents may have changed the patterns of fish and other prey for the sea lions and harbor seals. Sea lions and harbor seals may have had to move to new hunting grounds, making it difficult for the orcas to find them.
4 As a result of the sea otter die-off, the kelp forests were starting to disappear. The sea urchin
populations were no longer controlled by sea otters. As the sea otter population shrank, the sea urchin population exploded. In many places, the kelp forests became so overgrazed by sea urchins that they turned into areas called urchin barrens. The disappearance of the kelp forests affected the populations of many other organisms. In fact, the entire kelp forest community was altered as a result of the decline in sea otters.
5 What is clear in this study is that some external factors (factors outside of the giant kelp forest)
affected the ecosystem. Those factors could be fishing, warming oceans, or a shift in food sources. Whatever the reason, the end result had a serious effect on all the populations of organisms within the entire kelp forest community. In other words, factors that were at first external to (outside of) the kelp forest had major effects on the sea otters, sea urchins, and kelp within that ecosystem.
1
L.6.3.1–3.3 Ecosystems
1. Based on Paragraph 3, what might have caused orcas to shift their diets to sea otters? A. Shift in ocean temperatures B. Shift in ocean currents C. Shift in commercial fishing practices D. All of the above
2. What would be an example of a food chain in the giant kelp forest ecosystem?
A. The sea urchins are eaten by the sea otters, which also eat the kelp. B. The orcas eat the sea otters, which eat sea lions and harbor seals. C. The sea otters are eaten by the orcas, which also eat sea lions and sea urchins. D. The giant kelp is eaten by the sea urchins, which are eaten by the sea otters.
3. What was the immediate cause of the decline in the sea otter population?
A. The feeding habits of the orcas B. The feeding habits of the sea urchins C. The feeding habits of the other creatures within the kelp forest D. The feeding habits of harbor seals and sea lions
4. What would be a negative effect of the kelp forest ecosystem falling out of balance?
A. Increased wave action B. A loss of different types of creatures within the ecosystem C. An increase in the sea urchin population D. All of the above
5. What does external factor mean?
A. Ecosystem balance B. A factor outside of a system C. An urchin barren D. A scientific study
2
L.6.3.1–3.3 Ecosystems
6. What is an urchin barren? A. A giant kelp forest that has been overgrazed by sea urchins B. An event in which the sea otters have eaten all the urchins C. An external factor that has affected the sea urchins D. None of the above
3
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Name:_________________________________________Class:_____________________Teacher:__________________
ScavengerHuntFind5bioticthings. Findanexampleofapopulation.
Find3abioticthings. Findanexampleofacommunity.
Findanexampleofaspecies. Findanexampleofanecosystem.
Findanexampleofamutualism. Findanexampleofparasitism.
Drawapictureof5differentnaturaldisasters. Drawapictureofananimalyoumightfindinatropicalrainforest.
Findsomethingthatyoumightfindinagrassland. FindsomethingInyourhousethatyoumightfindintheArcticTundra
Findsomethingyoumightfindinadesert. Findsomethingyoumightfindinthetemperateforest
ECOSYSTEMS AND INTERACTION BETWEEN ORGANISMS
VIDEOS AND WEBSITES
Limiting Factors Video
https://www.youtube.com/watch?v=QI2ixJeIxEU
Biotic vs abiotic factors Video
https://www.youtube.com/watch?v=fX31EymLQZQ
Ecological relationships Video
https://youtu.be/rNjPI84sApQ
Biological systems-cells to biomes Video
https://www.youtube.com/watch?v=EtWknf1gzKo
Ecology based games Website
https://www.legendsoflearning.com/learning-objectives/interactions-in-ecosystems/
Biological Levels Video
https://www.youtube.com/watch?v=EtWknf1gzKo
National geographic link days 23/24
https://kids.nationalgeographic.com/explore/nature/habitats/