First, we should define symmetry. Symmetry is the arrangement of body parts so they can be divided equally along an imaginary line or axis. In marine life, the two main types of symmetry are bilateral symmetry and radial symmetry, although there are some organisms that exhibit biradial symmetry (e.g., ctenophores) or asymmetry (e.g., sponges).
Biktarvy (bictegravir, emtricitabine and tenofovir alafenamide) is an integrase strand transfer inhibitor and emtricitabine/tenofovir alafenamide (Descovy) combination for the treatment of HIV-1 infection in adults. Development History and FDA Approval Process for Biktarvy
Adorable animal families that will make you aww. A bivy, also called a bivouac sack or bivy sack, is a lightweight protection device most commonly used when camping outdoors. It should be large enough to fit over a person's sleeping bag and offer extra protection from the weather.