Sentences with phrase «affected by predators»

How many people are actually affected by predators of any kind using online pictures?

Not exact matches

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.»

«That makes sense if the predator is affected by your toxin, but these ants aren't.»

«We posited that giant kelp fed herbivores in the system and provided structure and habitat for predators, and that it was fed upon by sea urchins and affected the understory communities of algae and sessile invertebrates in the kelp forest,» said lead author Robert Miller, a research biologist in UCSB's Marine Science Institute (MSI).

Presumably, insects that can't discern the ultrasonic calls of foraging bats — and therefore can't avoid the predators — won't be directly affected by a shift to LEDs.

Research suggests that the behavior of both predator and prey may be affected by ocean acidification.

Research conducted by Dr Bill Dew at the University of Lethbridge in Canada looked for the first time at the effect of the metal contaminants nickel and copper on specific fish olfactory sensory neurons, and how these affect the fish's ability to detect and swim away from an odour released by other fish of the same species (conspecifics) when a predator attack takes place.

The chemicals produced by the fruit must keep predators at bay, but must also not negatively affect seed dispersers.

Part of the problem is that the kinds of native animals that are most likely to be affected by toads are big predators, like quolls (marsupial carnivores), large snakes, and goannas.

Studies show that the animals caught by predators are generally weaker and more diseased than those killed by manmade sources.6, 7 One study found that «birds killed by cats had significantly lower mass, fat scores, and pectoral muscle mass scores» than birds of the same species killed by cars or windows.8 These studies indicate that cats are catching what some biologists refer to as the «doomed surplus» 9 — animals who would not have lived, and so whose death does not affect overall population levels.

We expect that the number of species affected by invasive predators will climb as more knowledge becomes available.

«The Polar Bear, the largest apex predator on Earth is affected by climate change that has led to the loss of 2 million m2 of sea ice.

The Arctic's top predator, the polar bear, is affected both by the reduction in sea ice and by reduced stocks of its primary food, the ringed seal.

While news articles at the time of the Court's opinion indicated that only one instance of a teenager being targeted by a sexual predator had actually occurred, the Insurance Institute for Highway Safety (IIHS) did its own study and found that, in general, the law was not that popular and had not increased compliance by young motorists with the Garden State's laws affecting driving permit holders and those with provisional (now probationary) licenses.