Even worse is the nature footage Besson cuts in during the initial stages of Lucy's «recruitment,» which features
natural predators and their prey.
Not exact matches
Metabolism isn't just for individual organisms: Researchers apply the term to the processes through which entire
natural ecosystems acquire
and maintain (or lose) resilience, such as
predator -
prey balance
and levels of photosynthesis.
Natural selection favors
predators that are better at capturing
prey,
prey that have better defenses,
and individuals that compete better against other species.
colorful traits are therefore subject to opposing selection pressures: positive sexual selection by conspecifics (increased mating success)
and negative
natural selection by
predators (higher predation risk)
and prey (lowered hunting success).
The researchers finally used the data together with previously known color vision of the bird
predator,
and the fruit fly
prey, to model how visible the wing coloration is in
natural environments.
The wasps do not have their
natural predators,
and Spurr believes they may be upsetting the ecological balance by
preying on native insects
and young birds,
and by competing for food.
Yet, we don't fully understand how the increased salinity in vernal pools will interact with
natural stressors (e.g.,
predator -
prey and competitive interactions) of aquatic communities under
natural conditions.
Cats are
natural born
predators and do enjoy «stalking» their human owners
and pretending that their fingers or ankles are
prey.
As
natural predators, they know the weak
and ill become
prey so their instincts are to cover up any signs of weakness.
Prey drive is a
natural instinct because dogs are
predators and hunters — this is something the human has in common with the dog.
If the unmanaged
predator range is limited (by fiat rather than
natural barriers), this will lead to a
prey species deficit
and probably inward migration.
«It's almost an argument for rewilding places to make sure that the
natural balance of
predators and prey are there,» Schmitz says.