2). Wild and honeybees depend on areas with high flower diversity over a long period of time, these locations are attractive for beekeeping as our questionnaire highlighted: 97% of the participants estimated that flower richness in a radius of 500 m surrounding the hives is high or of medium...
That’s why it’s important that we try to livesustainably.Issues likeoverfishing,water scarcity(when there’s not enough clean water to go around),andclimate changeare all affected by our lifestyle choices. Thankfully, there’s lots we can do to help. Around the world, we eat a whopping...
another type of competition is happening underground. In the same way that you might change the way you forage for free snacks in the break room when your colleagues are present, plants change their use of
On top of being cheaper, these upgraded batteries are smaller and more efficient [source: Nield]. At the station's orbiting altitudes, Earth's atmosphere is extremely thin, but still thick enough to drag on the ISS and slow it down. Therefore, the ISS must be boosted every so often, ...
And scientists see that deforestation has a significant effect on climate change, or global warming. At-a-glance: Deforestation Facts and Figures Africa and South America suffer the largest loss of forest worldwide. Tropical rainforests are home to more than half of all species on the planet. ...
Herbicides are chemical substances used to control unwanted plants or weeds. Herbicides can be either specific (Selective) or non-specific (non-selective). Some commonly used herbicides are atrazine and glyphosate. Answer and Explanation:1 Amphibians live in both water and land environments, therefore...
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Insect pollinators like bees must synchronize their life cycles so that they are on the wing when the blossoms on which they feed emerge. The timing of their emergence from winter is also determined by the effects of temperature and day length and mediated by hormones. Evolution working on...
These days, it’s incredibly easy to find your way around any ski resort by yourself. Even if the old paper piste map has gone soggy in your pocket, there are any number of high tech mapping apps that will tell you exactly where you are on the hill, as well as giving you a wealth...
The impassioned political speech by President George W. Bush’s address to the nation as the US attacked Iraq begins as an informative speech: At this hour, American and coalition forces are in the early stages of military operations to disarm Iraq, free its people, and defend the world from...