Pollen grain, embryos, seed coatings, and megasporangium.
Deoxyribonucleic (DNA) pronouced (de-ok" si-ri"bo-nu-kle'ik). It is a Nucleic Acid. DNA is one of two major classes of molecules, the other is RNA. Typically, DNA is found in the nucleus (control center) of the cell, where it constitutes the genetic material, or genes.
<span>DNA is a long, double stranded polymer-a double chain of nucleotides.</span>
<span>Everything inside the cell including the nucleus is called the protoplasm. It consists of all organelles, the nucleus, and the cytoplasm. </span>
Crossing over gives the offspring sort of a genetic variation twist. This will mix our two genes and make them diverse, but together.
Answer:protection from other predators.
Explanation: the quills will stick into a predator that attack the porcupine Note: it does NOT shoot its quills
