1) temperature, sunlight, and rainfall
2) humidity, location, and humans
3) soil type, soil bacteria, and soil water
4) insects, carbon dioxide, and nitrogen in the air
Which term includes all of the interactions that occur between the organisms and the physical factors in a pond environment?
1) population
2) ecosystem
3) abiotic
4) competiton
The amount of salt in the air and water of coastal areas determines which species can exist there. In these areas, salt functions as a
1) source of energy
2) biotic factor
3) food source
4) limiting factor
Peter
,I even wrote to Al Gore ,and to Jane ,and made several sugestions in the forum
2 hours Ago it happened ,
three cheers for Yahoo
does any one else think this is great
(now its a question)
Chrissie ask a question but does not have any way for people to answer her ,Ecology is a blend of Greek and latin meaning the study or the knowledge of the home (environment)
so Environment is the place and Ecology is the knowledge of the place ,In essence both mean the same thing ,but for those who have a problem with that we have already ASKED YAHOO IF THEY CAN INCLUDE THE NAME ECOLOGY WITH ENVIRONMENT again
Miguel
ok so these are the q’s:
1. how does DDT enter a food web
2. which organisms contain the most DDT
3. at what trophic level are these species?
4. What is the relationship between the trophic level on an organism and the concentration of DDT in its body?
5. How many times greater is the concentration of DDT in the fish than in the seawater? How many times greater is it in the dolphins than in the seawater?
6. Explain why animals at the top of the food chain are particularly at risk from poisons in the environment?
Please help me answer these q’s answering any would help me a ton:)
any sites would be great too:)
Mike
