Sentences with phrase «when herbivores»

«Follow - up experiments are in the works to address the question of how this dynamic plays out when the herbivores can move between multiple plants.
Plant modification occurs when herbivores manipulate their plant prey to increase feeding.

Not exact matches

And what would the herbivores have eaten when they disembarked.
Beyond teeth, when we compare the anatomy of humans with that of herbivorous animals and of carnivorous animals, physiologically, we resemble the herbivores substantially more than we do the carnivores.
«When we know more about all these microbe, herbivore, and plant interactions, we may be able to manipulate the system to make the plants manipulate the bacteria,» said Felton.
Like many plants, when tobacco is damaged — by hungry herbivores or otherwise — it gives off chemicals called green leaf volatiles (GLVs).
When modern herbivores migrate, they are followed by predators, so the same may have happened in the Jurassic.
But Glaum and Kessler reached a different conclusion when they included herbivore - induced pollinator limitation (HIPL) in their model, which allowed them to examine broader, more indirect effects of herbivory on plant population persistence and community dynamics.
He also stressed that that native plants always do the best job per tree of supporting herbivore communities when compared to their non-native counterparts.
When it comes to non-native plants that are congeners — non-native plants with a close native relative, such as Norway maple and red maple — the researchers found that those seem to support herbivore populations across sites more similar to those on natives than the non-native plants that have no native relatives at all.
Within the distantly related group, they found that herbivores were less diverse when they looked at individual non-native tree species, and as they moved from one non-native tree species to another, they found similar species of herbivores using those trees.
When the large herbivores disappeared, the ecosystem transitioned to today's mossy tundra and taiga that is beginning to melt and release carbon dioxide into the atmosphere.
The Architecture of a Trophic Cascade: Predator - Herbivore - Vegetation When HSS formulated their hypothesis, the scientific community commonly accepted that bottom - up processes, mostly related to competition between species, were the primary forces shaping populations.
«As the numbers of algae - eating herbivore fish dwindle, this may further stress the corals, which do less well when heavily overgrown,» he says.
One such insect, the sap - sucking aphid (a common pest in gardens), has an effective escape plan, though: the bugs detect an approaching herbivore's breath and simply drop off the plant before it's eaten.Researchers at the University of Haifa at Oranim, Israel first noticed this phenomenon when they allowed a goat to feed on aphid - infested alfalfa plants — 65 percent of the plant pests simultaneously dropped to the ground just before the vegetation was devoured.The team suspected that several cues might have motivated the mass dropping, including the sudden shadow cast by the goat, plant - shaking triggered by the munching marauder and / or the herbivore's exhalations.
As for the cactus, it provides the fruit during the day, when few other herbivores apart from these lizards are active.
Leslie found the first cases of wider seed cones in the Jurassic period, a time when very large vertebrate herbivores, such as the long - necked sauropods Diplodocus and Barapasaurus, roamed Earth.
«Tritylodontids were herbivores with unique sets of teeth which intersect when they bite,» explains study author Hiroshige Matsuoka, based at Kyoto University.
When scientists look at faecal matter from large herbivores, they find a lot more microbe DNA than plant DNA.
Saber - toothed cats that roamed Los Angeles 12,000 years ago had many injuries to their shoulders and backbones that likely occurred when they killed large herbivore prey such as bison and horses, UCLA biologists report in the journal Nature Ecology and Evolution.
Karban raises the possibility that much more is happening with herbivores when plants get defensive.
«Are there other behavioral responses that herbivores do when their plants change?
It comes from grass fed cows, and cows are natural herbivores (not meant to be fed grain), so when the cows are healthier, the milk is healthier.
When grains are properly prepared through soaking, sprouting or sour leavening, the friendly bacteria of the microscopic world do some of our digesting for us in a container, just as these same lactobacilli do their work in the first and second stomachs of the herbivores.
That horrifies the herbivore Arlo, especially when Thunderclap wants to liberate Spot to be his lunch.
Unfortunately, we really can't trust our intuition when it comes to how best to feed our rabbits — protein is great for carnivores and omnivores, but it can cause serious problems if it is given to herbivores in large quantities.
While carnivore teeth are designed for tearing meat (think about the fanglike canine teeth you see when a dog or cat yawns), herbivore teeth are designed for grinding.
Let's Talk Teeth While carnivore teeth are designed for tearing meat (think about the fanglike canine teeth you see when a dog or cat yawns), herbivore teeth are designed for grinding.
Cows and other herbivores do fine when eating only cellulose.
When choosing a diet for a house rabbit, remember that as an herbivore (plant eater), a rabbit constantly needs food moving through its digestive tract.
When treated early and aggressively with fluids (either subcutaneously or sometimes intravenously), syringe feeding liquid formulas meant for herbivores, painkillers, anti-gas medications, and exercise to stimulate GI tract movement, GI stasis can be reversed, and pets can make full recoveries, as long as the primary reason they stopped eating is also treated.
They decided that meant there was just as much evolutionary pressure on herbivores to develop the brain power to escape when being hunted as there was on hunters to capture prey.
We suggest that it's an estivating herbivore that will be in a torpid state for months, and slow - moving when it does awake.»
When they went out onto the prairies to hunt buffalo, the Peoria, Tamaroa, Kaskaskia, Miami and other woodland tribes started grass fires to trap the large herbivores, and then slaughter sometimes large numbers of them with the beautifully finished flint weapons crafted by these men.
Methane production is given (A) per unit of dry matter intake (DMI), (B) as a proportion of gross energy intake (GEI) and (C) per unit of digestible fibre intake (dNDFi)(at 75 % MER and when fed ad libitum) in comparison to ruminants (dark regression line; Franz et al., 2010) and non-ruminant mammalian herbivores (light regression line; Franz et al., 2011b).
This especially an issue when the plant is exposed to a novel herbivore / pathogen.
Though tasty when combined with other ingredients, herbivore eggs have a number of other uses in the game, including granting extra research points (if you know where to take them).
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