Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
What do we often follow when studying ecosystems |
The movement of energy from one level to another |
|
|
Which of following marine ecosystems have the highest mean net primary productivity |
Kelp beds and reefs |
|
|
Large zooplankton decrease the ecosystems main productivity when they are abundant |
True |
|
|
What what's that is the main cause carbon dioxide building up in the atmosphere |
Burning fossil fuels |
|
|
Which of the following is among the disadvantageous of a simulation model of an ecosystem |
It may not be accurate |
|
|
Backpack which two types of organisms make up the detrital food web |
Decomposers and detritivores |
|
|
Oceans and the tropical rainforest contribution will lead to Global productivity |
True |
|
|
Which ecosystem would have the lowest percentage of total net primary productivity |
The tundra |
|
|
Lake ecosystems have many trophic levels |
False |
|
|
Energy losses are multiplied in successive energy transfers in a food web |
True |
