Sentences with phrase «as predators and prey»

The film creates its own, more politically evolved version of Kipling's literary ecosystem, with its ancient animal beliefs and practices, such as predators and prey declaring a «water truce» during a drought so that they can all drink unmolested from a parched watering hole.
Turtles can play key ecological roles, serving as both predators and prey, contributing to the cycling of nutrients, and acting as seed dispersers.
Turtles and tortoises are group of reptiles that can play key ecological roles, serving as both predators and prey, contributing to the cycling of nutrients, and acting as seed dispersers.
Johnson sees a similar pattern in nature as predators and prey continuously adapt and evolve to outdo the other.
Birds play an important role in a wide variety of ecosystems as both predator and prey, in controlling insect populations, pollinating and seed dispersal for many plants, and in releasing nutrients on to land and sea in the form of guano.
While structurally similar in most respects to human eyes, feline eyes have acquired over thousands of years a number of distinctive features that improve its chances for survival as both predator and prey.

Not exact matches

The reason for Australia's third - ranking iron ore miner traditionally being seen more as prey than predator is a function of its once sky - high debt levels, uncertainty about its ore grade, and a belief that at some point Forrest would be tempted to cash out of the company he created.
And much larger prey animals, such as pigs, which are also unclean animals, so there could only have been one pair, would be needed for the larger predators.
Much of the history of biological life is built on opportunism; and, as evidenced in predator - prey relations, this opportunism is cruel, at least from the point of view of the victims.
Compare mammal skulls and determine the adaptations that have allowed the animal to survive as a predator or prey.
According to Scarpino, the issues that he plans to address in his new role include Westchester's heroin and illegal drug epidemic — a situation he described as «a scourge that is destroying our youth» — as well as Internet predators, phone scams, child and elder abuse, domestic violence, and injustices against immigrants who he believes are preyed upon by people who take advantage of their fear of deportation.
However, if, as we showed, the scent is sufficient to continue population decline, then even if the predators move on to other prey, and their scent disappears, this is unimportant for the survival of the population that is at risk whose numbers and reproductive ability have been critically affected by the passing smell of death.»
Once within the space between the outer and inner membranes, the predator secretes enzymes — as damaging as the movie aliens» acid spit — that chew its prey's nutrients and DNA into bite - sized pieces.
Overall, predators with wide snouts and relatively large, robust skulls, such as crocodiles and orcas, are built to resist the stresses of grabbing and holding sizable, struggling prey, the team reports today in the Proceedings of the Royal Society B.
With the new reconstruction, paleontologists can now analyze the trackways and better determine things such as the sizes, motions, and walking speeds of the dinosaurs that left the footprints — which, in turn, may reveal whether an ancient predator really «chased» its prey along an ancient shoreline or merely ambled by at about the same time.
Apparent death, as it is scientifically called, is an involuntary physiological response similar to fainting that causes the opossum to appear and smell like a dead or dying animal, thereby deterring predators who generally prefer live prey.
The Cambrian explosion, as it is called, produced arthropods with legs and compound eyes, worms with feathery gills and swift predators that could crush prey in tooth - rimmed jaws.
This so - called evolutionary arms race (also known as the Red Queen hypothesis) can be tracked over the eons as each species adapts new strategies to outwit their predatorsand / or their own prey — making the dynamic a two - way street.
The models included interactions and competition between predators as well as the influence of climate on vegetation and prey populations.
Global loss of vagility alters a key ecological trait of animals that affects not only population persistence but also ecosystem processes such as predator - prey interactions, nutrient cycling, and disease transmission.
Frogs and toads also play an important role, serving as both prey and predator, in wetland ecosystems and are considered indicators of environmental health.
Evaluating the leader of Hamas, Khaled Mashal, «If we characterize Mashal as someone with a psychopathic personality, then we would expect him to feel omnipotent, fearless, to perceive others (particularly Israel) as weak and vulnerable, and that his relationships revolve around games of «predator - prey,»» Neuman explains.
Venom is a complex mixture of proteins and other toxic chemicals produced by animals such as snakes and spiders, either to incapacitate their prey or to defend against predators.
«But you can think of bacteriophages and bacteria as having a predator - prey relationship.
Rochet has run theoretical models on the effects of fishing practices and has indeed found that selective fishing can negatively impact biodiversity and create ripples in the food web as the balance between predator and prey is upset.
These large frogs hide among the leaf litter on the rainforest floor, making it harder for predators to spot them and easier to snag unsuspecting passing prey such as spiders and lizards.
As apex predators they may be amplifying negative effects lower in the food chain; if tiny prey organisms are getting sickened and fish eat them, and the dolphins consume the fish, the bioaccumulation of toxins might be serious.
«What this tells us about their lives and complex strategies for survival, such as the highly variable techniques for prey exploitation, as well as predator avoidance and protection of carcasses for food, significantly diverges from what we might expect from this extinct species,» continues Nowell.
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.
Some animals and insects wear their costumes all year round, masquerading as plants, leaves, and even other creatures to better evade predatorsand to hunt their own prey.
When Robert Paine introduced it in 1969, he envisioned its mechanisms as a dominant predator consuming and controlling the abundance of a particular prey species and a prey species competing with other species in its trophic class and excluding them from the community.
Also known as «fluke,» the flat, toothy fish is remarkable for its ability to change color to adapt to its surroundings, rendering it almost invisible to predators and prey.
«Predator numbers were severely depleted in heavily fished areas, while smaller prey fish such as damselfish, and herbivores such as parrotfish, had increased greatly in number having been released from predation.»
Mangrove rivulus, which can live out of the water for extended periods of time (days or weeks, as long as the conditions are moist), uses its specialised jumping technique when water has low oxygen concentrations or high levels of hydrogen sulphide, or to escape predators and search for terrestrial prey such as crickets.
From an evolutionary standpoint, this capability has been a valuable survival asset as an early - warning system to attract your attention — whether to detect prey, predator or mate (all of which usually move, unlike stones and trees).
We always held the number of species constant, but made changes to the roles each animal played as well as the links between predators and their prey
While some pack members dig for invertebrates and other things to eat, other residents serve as lookouts and sound the alarm to let foragers know about potential predators like snakes and birds of prey.
As with many animals evolving in isolation from significant predators, the dodo was entirely fearless of people, and this, in combination with its flightlessness, made it easy prey.
Circular pupils are generally found on animals that chase down their prey, such as cheetahs, or on taller ambush predators like lions and tigers.
Colorado Parks and Wildlife officials said homeowners living in the wildland - urban interface can do their part by recognizing that wild and domestic animals in their backyards are seen as prey to wild predators.
They feed on the bottom of the food chain — on single - celled plankton, which larger fish can not eat — and then they become prey for all sorts of upper - level predators like tuna, sea bass and halibut as well as seabirds and marine mammals.
Connections between predators and prey — often described as a food web — become destabilized.
In addition to exposing the intricacies of species recognition and communication, robots can be used to investigate predator - prey relationships, as well as attack responses and mating habits in mammals, insects, and birds.
A second explanation for this behavior is that babies» expectations about animals and their insides are tied to the cognitive systems humans evolved to deal with predators and prey — in other words, to deal with animals as a food source.
Furthermore, only recently have researchers been able to consider both the ecological relationships among krill predators (e.g., niche overlap) and the potential effects of climate change on those relationships, specifically as they relate to the availability of their krill prey [14].
For decades, many scientists have recommended that fisheries managers consider ecosystem factors — such as how predators interact with prey — when setting catch limits and other policies and guidance.
As these two hardened pros go about their business, they gradually become aware of one another — predator and preyand each begins to gain a certain respect for the other.
An unembellished and bare - bones plot about mental patient escapee Michael Myers (Nick Castle)---- credited only as «The Shape» and never called by his full name in the film ---- donning a near featureless mask and haunting and hounding teenage babysitter Laurie Strode (future «scream queen» Jamie Lee Curtis in her breakout role) would portray predator - prey archetypes to startling purpose.
But we have, again, that annoying way of presenting relationships as a war zone, and men as predators and women as prey, which may resonate for some but which is hardly the only way to see the equation.
Vocabulary Reviewed: Classification Kingdom Phylum Invertebrate Vertebrate Class Adaptations Food web Food chain Predator Prey Carnivore Herbivore Producers Consumers Internal Anatomy terms - gonads, brain, heart, ink sac, gills, pen, eye lens External Anatomy terms - mantle, eye, siphon, arms, tentacles, sucker cups, chromatophores, fin, mouth, beak Includes step by step directions as well as photos for the squid dissection and squid races.
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