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What is an example of a density-dependent factor and a density-independent factor and how each can affect a populations growth.?
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What factors affect the populations in an?
One factor that can affect the populations in an ecosystem is that, if an ecosystem had owls with no predators, the owl population would increase and eat all the mice in the ecosystems. The population of the mice would decrease more and more.
Weather and climate are environmental conditions that affect populations and are known as?
density-independent factors.
How do seasonal variations affect population and ecosystem?
Yes. Seasons can change the size of populations
What is the type of limiting factor that does not affect small scattered populations very much?
Density-Dependent
How does the widespread use of drift nets affect the ocean ecosystem?
It reduces populations of fish and other marine organisms. -From Study Island
What must affect evolution?
Climate change is a good example of an environmental factor that will certainly affect the way populations evolve.
How did the Vietnam War affect plant populations?
Plant populations have grown back.
How do plankton populations affect the sustainability of a fishery?
No
Which factors affect a populations growth regardless of the populations size?
density - dependent limited factors
Does cockayne syndrome affect specific populations of people more so than other populations?
yes
Does natural selection affect individuals populations or both?
Both
What is one way that humans affect animals populations?
Hunting
How can pesticides herbicides or antibiotics affect the genetic composition of populations?
It affects the genetic compostion of populations by eating gummy worms
Which does natural selection affect populations or individuals?
Populations evolve, but individuals are selected. Natural selection affects individual organisms.
Upstream?
involve policy approaches that can affect large populations through regulation, increased access, or economic incentives. Policy to have nutritional information included on food packaging is an example
How can a relationship between populations in an ecosystem and the removal or addition of populations can affect the other populations?
By removing population it makes the ecosystem bad and by adding to the population it makes the ecosystem better
How do ocean currents affect plant and animal populations?
By the wind and temperture
