The stem has more things to transport that's why it has more vascular bundles. The roots only get water from the ground and moving nutrients from the soil to transfer it to the stem. Having more vascular bundles helps the stems to transfer things to leaves and other parts of the plants.
As you can see in the table presented below, all of the gametophytes have seeds do not form in an enclosed structure and <span>undergo alternation of generations (marked in purple)
The gingkos were widespread in the distant past, but are now presented with only one species with fan-like leaves, the Gingko Biloba. (green)
The gnetophytes have three genera with very different looking species. One of the most iconic ones being the Welwitschia mirabilis often called the wise man's beard. (blue)
The conifers include redwoods, like sequoias and all, have pines as leaves and produce cones. (brown)</span>
Poaching by hunters are a growing threat to animals.
Poaching has been defined as the illegal hunting or capturing of wild animals, usually associated with land use rights.
The organs are known as Vestigial organs. The evolution from land-dwelling animal to the marine animals has led whales as well as dolphins, to lose hind limbs. The pelvic and leg bone serves no purpose in them and just provide the anchorage to muscles
A peptide bond is formed by a condensation (water-loss) reaction between the carboxyl group of oneamino acid<span> and the </span>amino<span> group of the next </span>amino acid<span> occurring in a protein. Thus, proteins are formed by the linear </span>arrangement<span> of </span>amino acids<span> in a particular order</span>