Sentences with phrase «by a predator increases»

If the puppies become vocal and distressed, the danger of attack by a predator increases.

Not exact matches

The density of aphids was reduced due to higher mortality caused by increased numbers of predators feeding on aphids41.

It also increases the risk of being contacted by an online predator.

A third major proposal would increase the state work force by nearly 2,500, including 355 workers who would carry out new policies on civil commitment of sexually violent predators.

If more snails are eaten by predators, algae densities could increase.

Predator diversity was increased by it, but understory algae decreased as expected because the giant seaweed shades the bottom and prevents other algal species from doing well.

«If we implemented our recommended strategies for the feral predators (cats, dogs and foxes) and the goats and rabbits, experts who participated in the study estimated that we could increase agricultural production by 10 per cent or more,» she said.

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).

Birds are particularly known for showy ornaments that attract mates, but also increase the chances of being spotted by predators.

New techniques should help: Success can be increased when captive animals are reared by members of their own species, when they are exposed to the predators and prey they will come in contact with, and when they are introduced to the environment they will be living in before their final release.

So if you were being chased by a predator, CTRA allowed for some helpful short - term benefits, such as increased healing, physical recovery, and the increased likelihood of survival.

Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors

Additionally, the natural response of parent birds to the appearance of predators — alarm - calling and nest - defense — dramatically increases bird nest predation by other animals who've been alerted to the nest.

In the absence of these invasive predators Xantus's murrelets (now renamed Scripps Murrelet) rebounded almost immediately with nesting success increasing by 91 % the year after the rats were removed.

Population declines have already been noted, though other factors like increased opredation by feral predators like cats seem to be the main cause.

... According to a review by Lovich and Ennen (2013), the construction and operation of wind farms have both potential and known impacts on terrestrial vertebrates, such as: (i) increase in direct mortality due to traffic collisions; (ii) destruction and modification of the habitat, including road development, habitat fragmentation and barriers to gene flow; (iii) noise effects, visual impacts, vibration and shadow flicker effects from turbines; (iv) electromagnetic field generation; (v) macro and microclimate change; (vi) predator attraction; and (vii) increase in fire risks.

As for the last question, typically no — these large outbreaks seem to be limited more often by food supply than predator increases — Jim]

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.