D. Food webs may be dominated by many strong links because that arrangement is more stable over the long term.How does an ecesystem(生态系统)work? What makes the population of different species the way they are? Why are there so many flics and so few wolves? To find an answer,...
B. Rapid economic development threatens animal ha bitats. C. Species of commercial valu e dominat e other speci es. D. Industrial activities help keep food webs stabl e.How does an early-warning system help us maintain th e ecological balance? A. By getting illegal practices under control. ...
How does an ecosystem(生态系统) work? What makes thepopulaions of different species the way they are? Why are there so manyflies and so few wolves? To find an answer, scientists have builtmathematical models of food webs, noting who eats whom and how mucheach one eats.With such models,...
Rapid economic development threatens animal habitats.C. Species of commercial value dominate other species.D. Industrial activties help keep food webs stable.50. How does an early-waming system help us maintain the ecological balance ?A. By geting iegal pracices under control.B. By stopping us ...
How does an ecosystem work? What makes the population of different species the way they are? Why are there so many flies and so few wolves? To find an answer, scientists have built mathematical models of food webs, noting who eats whom and how much each one eats. With such models, ...
Rapid economic development threatens animal habitats.C. Species of commercial value dominate other species.D. Industrial activities help keep food webs stable.5. How does an early-warning system help us maintain theecological balance?A. By getting illegal practices under control.B. By stopping us ...
Rapid economic development threatens animal habitats.C. Species of commercial value dominate other species.D. Industrial activities help keep food webs stable.35. How does an early-warning system help us maintain the ecological balance?A. By getting illegal practices under control.DB. By stopping ...
Rapid economic development threatens animal habitats.C. Species of commercial value dominate other species.D. Industrial activities help keep food webs stable.43. How does an early.warning system help us maintain the ecological balance?A. By getting illegal practices under control.B. By stopping us...
Rapid economic development threatens animal habitats C. Species of commercial value dominate other species.D. Industrial activities help keep food webs stablc 50. How does an early-warning system help us maintain the ec-ological balance?A. getting illegal practices control.B. By stopping us from...
B. Rapid economic development threatens animal habitats. C. Species of commercial value dominate other species. D. Industrial activities help keep food webs stable.4. How does an early-warning system help us maintain the D ecological balance? A. By getting illegal practices under control. B. ...