By Jim Conrad

Simply what's going one of the rustling rows of corn within the yard backyard? And simply who's cowering lower than the pansies? Gardens and flower beds might sound tranquil yet they're really phases on which 1000000 hidden dramas spread. to work out them, we have to peep into holes and corners and glance underneath issues, simply because that is the place the timid cricket awaits night's darkness, the place thistles getting ready for invasion pack their parachutes, and the place the smaller scales of items turns roving centipedes into rampaging monsters. detect Nature within the backyard offers backyard existence, from vegetation and weeds to earthworms and moles, in outstanding aspect, with info on anatomy, meals webs, and ecology.

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This method of spiderling transportation is called ballooning. In the autumn, often ballooning spiderlings grace the air with silver streaks. When the sun reflects off these silver threads, they are called gossamers. The most fascinating use of silk by spiders is in making webs. Certain kinds of webs are typical for particular families and subfamilies, and it's fascinating to learn how to identify spiders by the webs they produce. 39 40 A silver argiope spider, Argiope argentata, has caught a grasshopper in its web, paralyzed it with its venomous fangs, and now wraps a silk cocoon around the struggling victim by spinning it rapidly with its front legs as it draws silk from its spinnerets with its hind legs.

Some annelids possess eyes, but earthworms, like many creatures living sunless, subterranean lives, have none. Other annelids, especially those living in open water, often bear tentacles, but in the earthworms' tight quarters, tentacles would just be in the way, so earthworms have none. In their cylindrical, underground tunnels, leg-like appendages would be useless, so the body has no appendages from tip to tip. Some annelids bear liplike palpi, which help them probe the soil; maybe earthworms are less fussy about what they eat, for they have none.

Hydrogen is a gas, but the element gold, Au, is a metal. When elements combine with one another, the resulting compound, which can be described with a chemical formula, often is very different from either of the building-block elements. Water, for example, is composed of two gaseous elements, hydrogen and oxygen. The chemical formula for water is H2O. This means that a molecule of water is composed of two atoms of hydrogen and one atom of oxygen. A molecule of simple table sugar, C6H12O6, is composed of six atoms of carbon, twelve atoms of hydrogen, and six atoms of oxygen.

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