Monitor the corn 15 to 24 days after silk emergence. Emerging silk will look like a glossy tassel or tuft at the tip of the ear of corn. Watch for the silk to dry up and turn brown. When the silk begins to dry up and feel stiff, the ear is ripe.
An arthropod (from Greek arthro- , joint + podos, foot) is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. Arthropods form the phylum Arthropoda, and include the insects, arachnids, myriapods, and crustaceans.n arthropod (from Greek arthro- , joint + podos, foot) is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. Arthropods form the phylum Arthropoda, and include the insects, arachnids, myriapods, and crustaceans.
Phylum Arthopoda. The phylum Arthropoda is the largest animal phylum. It contains all the insects, crabs, lobsters, spiders, and scorpions. It is believed there are more than one million types of insects alone on the planet, with many of them yet undiscovered.General characteristics of arthropods include jointed legs and an exoskeleton.eff is a Biology teacher and has a Doctorate in Educational Leadership. This lesson will describe the characteristics of the term 'phylum.' It will show how it relates to other taxonomic classifications, as well as describing some of the major phyla used to place living things into groups.