Cycling, Changes, and Interactions-Grade 7

Read and answer the following questions. You need to do this in your one note that is part of our Grade 7 notebook.

The cycling of matter is a series of steps in a cycle that allow abiotic elements to be used over and over again. These elements are absorbed and used by producers to form organic matter. Consumers then absorb the organic matter through feeding interactions and use it for growth. As they grow, the consumers produce organic waste. Decomposers break down the organic waste from living and dead organisms into biotic elements that producers can use again.

Example:
When a bear leaves the remains of a salmon carcass in the forest, decomposers break it down into biotic elements, including carbon and nitrogen and other nutrients.

Intereactions and Changes in Ecosystems 

1. What are limiting factors in an ecosystem? Give the definition and three examples. 

2. What are native species? Give the definition and three examples in Canada. 

3. What introduced species? Give the definition and three examples in Canada. 

4. Explain bioinvasion. What are the effects of bioinvasion? 

5. Explain what invasive species are. Give two examples of these types of species in Canada. 

6. Define the term sustainability. 

7.  Research and list three examples of who humans have impacted ecosystems. 

Cell Structure-Grade 8

Overview of Cell Structure <---If the video doesn't work, click this link.
Watch the video. Answer these questions while you watch the video.

1. What three things do the cells all have in common?

2. What are Eukaryotic cells? Include organelles and what organism has these types of cells.

3. What are Prokaryotic cells? What don't they have? Give an example.

4.What are organelles? 

5. What is the nucleus?

6. What happens when the cell is ready to divide?

      7. What happens in the nucleolus?

      8. Define the two types of Endoplasmic reticulum (ER). What is the job?

      9. What happens when proteins emerge from the ER?

1    10. What are lysosomes?

11. What is the power house for both cells?

12. What do plant cells only have?

13. What does the respiratory system have?

Grade 7 Ecosystems Reading

Read the following pages. 

After you finish, start researching ecosystems. Choose one you are interested in. We will be doing a project about this at a later date. At this point in time, I just want you to research different ecosystems and find out one you are interested in. You may start to make some point form notes. Consider abiotic and biotic elements, interactions between biotic and abiotic elements, producers, consumers, community, population, and species. 

Music Assignment

1. Choose your favourite band or artist.

2. Research how they started, any interesting facts, and what genre of music they play.

3. Choose your favourite song (please get the clean version) and discuss why you like it. Give at least three reasons as to why it is your favourite song.

4. You will be creating a one page report or at least a 5 slide presentation about your artist or band.

5. Create an album cover for the artist or band. You can focus on their genre, song, or anything about them.

6. You will be presenting your report or slide show. Please also have a sample of the music to share (30 seconds). Make sure it is the clean edit.

Due: October 26th

Please email me the project or print it out. The Album cover needs to be done in hard copy form.