Biology
Help!
|
|
||||
|---|---|---|---|---|---|
| what are the 3 major threats of biodiversity? | (blank)
🗑
|
||||
| Why do we need all those species? | biologically diverse ecosystems are usually more stable than simple ones
🗑
|
||||
| keystone specie | is the specie that holds the whole ecosystem together. If you remove it, then the whole ecosystem system can collapse.
🗑
|
||||
| Example of a keystone specie | flying fox bat in South Pacific Islands. This bat was the only pollinator and seed disperser. Then the fruits stopped growing.
🗑
|
||||
| Carrying capacity | the # of individuals in a pop. that tne environ, can maintain.
🗑
|
||||
| limiting factors that slow pop. growth | food supply, toxic waste buildup, increase disease, predation aggression (crime and war), conscientious choice
🗑
|
||||
| Green House gases (from most to least) | water vapor, carbon dioxide, ozone
🗑
|
||||
| Since the start of the Industrial Revolution, human activities have released about how much CO2? | 290 billion metric tons
🗑
|
||||
| How much CO2 has increased in the atmospheric level? | 36% in the last 150 years
🗑
|
||||
| Why do we care if artic ice melts? | polar bear drowns, effect world economy, flooding, weather changing,
🗑
|
||||
| what is albedo | reflecting back (like snow reflecting back sunlight)
🗑
|
||||
| homeostasis | similar standing, maintence of stable condition, our body condition flutation within a narrow range
🗑
|
||||
| negative feedback | "I have enough, I don't need anymore, so I stop that production"
🗑
|
||||
| positive feedback | product simulate that reaction.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Tiffastic
Popular Biology sets