Remake of LSS Bio: Interactions in Ecosystems by

Instructions:

lai_hui_min — 2018-05-21 00:44:20 UTC

• Choose one relationship from the above options.
1. Go to the following url to complete a quiz (6 MCQs).

https://tinyurl.com/WDLecosystem2018

Watch video:

lai_hui_min — 2018-05-21 00:44:20 UTC

What are some symbiotic relationships (eg. predator-prey, mutualism, parasitism, etc)?

Look at the pic:

lai_hui_min — 2018-05-21 00:44:20 UTC

There can be different relationships between 2 organisms in a community. Relationships like predator-prey, mutualism, parasitism. What are they? See pic.

Instructions:

lai_hui_min — 2018-05-21 00:44:20 UTC

• Choose one relationship from the above options.
1. You have to post one videoclip of two team members either ACTING out OR EXPLAINING what this relationship means. (< 30s).
• Discuss as a group what to say/do first.
• Then, film a videoclip of LESS than 30 seconds.
2. Reply to your videoclip and comment one example for each of the following relationship:
Eg: parasitism: bed bugs and man
(a) mutualism: ___________
(b) parasitism: _______ and ________

Watch video:

lai_hui_min — 2018-05-21 00:44:20 UTC

What are the biotic (living) and abiotic (non-living) factors of an environment?

Instructions:

lai_hui_min — 2018-05-21 00:44:20 UTC

• From ANY habitat, collect about 3 tablespoons of soil OR water sample from the habitat. Immediately return to the lab.
• Take a photo of one of your team member collecting the sample. Post it.
• Immediately return to the lab. • Using appropriate apparatus in the lab, determine the acidity (pH) and temperature of the sample. • Reply to your photo with a comment answering the following qns:
1.
Habitat/location: ___________
pH of sample: ___________
Temp of sample: ___________

2. Besides the ones measured in #1, state TWO other abiotic factors that may be important in the ecosystem of your habitat.

*BONUS:
3. Do you think the measurements you made of the physical factors (eg. pH, temp, etc) accurately show the conditions of the habitat?
Why or why not?

Watch video 1:

lai_hui_min — 2018-05-21 00:44:20 UTC

What are producers/consumers/ decomposers?

Watch video 2:

lai_hui_min — 2018-05-21 00:44:20 UTC

What is a population/ community/ecosystem?

Instructions:

lai_hui_min — 2018-05-21 00:44:20 UTC

• Choose a suitable habitat (eg. field, canteen, pond, etc) in school with different organisms living in it.
• Take a wefie with it. Post it.
• Reply to your photo with a comment answering the following qns:
1. List as many types of organisms you may find in this habitat as possible in this format:
eg. organism 1, organism 2, ...

2. Retype this with the blanks filled in with the correct number:
In this habitat, there are...
• ______ ecosystem(s)
• ______ communit(ies)
• ______ population(s)

3. Using the list of organisms in Q1, come up with a food chain (with 3 or 4 trophic levels) in this format:
Eg: _____ --> _____ --> _____ --> _____

*BONUS:
4. Name one Consumer from #3. Post one comment to explain what happens to the other organisms in the food chain if this Consumer all die out.