-
How much energy travels from one trophic level to the other?
20%
-
Some people are concerned about genetically modified corn because we don't know the long term effect on ______________
Consumers
-
Environmentalists are very concerned about the declining whale _______________ since many hunters only care about profit.
population.
-
In a _____________ the organism that eats the preceding organism is usually bigger.
food chain.
-
Whenever a _____________ Is destroyed, the organisms living there must find a new place suitable for them to live, preferably within the same ecosystem.
habitat
-
The _________ in Tegucigalpa is different than the one in Roatan, one is a rain forest and the other is marine.
ecosystem.
-
Since, __________ do not have digestive tracks, they must first secrete digestive enzymes before ingesting nutrients.
Saprotrophs.
-
Earthworms are one of the most important __________ because not only do they eat organic remains, but their tunnels aerate (provide air) the soil.
Detritivores
-
Although flies and sharks may be in the same complex_______________they are not in a predator-prey relationship.
Food web
-
An ___________________such as a rose bush, is not only decorative, but also provides nutrients and oxygen.
autotrophs
-
Another waay to name top carnivores, primary carnivores, herbivores?
1st, 2nd and 3rd level consumers.
-
Why do detritroves and decomposers have a higher energy level?
because they eat at all levels. The difference is that they do not retain all the nutrients.
-
If the Producers make 300,000Cal in productivity hoe much will the top carnivore have?
- 300,000-producer
- 30,000-herbivores
- 3,000-primary carnivores
- 300-TOP CARNIVORES
|
|