One sperm fertilizes the egg cell forming a diploid zygote, the other sperm fuses with the two polar nuclei forming a triploid cell that develops into endosperm
Answer:
Characteristics of Annelida: Plesiomorphies and Other Features
Symmetry and Size. Annelids are all bilaterally symmetrical animals. ...
Coelom. Nearly all annelids have a fluid-filled cavity between the outer body wall and the gut, and this is referred to as a coelom (Figure 1). ...
Body wall. ...
Parapodia. ...
Nervous system. ...
Sense organs. ...
Circulation and respiratory structures. ...
Segmental organs.
Explanation:
hope this helped!
Answer:
the brain stem
Explanation:
the structures of our brain stem, in conjunction with our spinal cord (not a part of our brain) is responsible for involuntary action. Not sure if it generate signals, but hey it's better than no answer.
Every solar panel contains photovoltaic (PV) cells. PV cells take light, or photons, and turn the light into electricity. When sunlight hits the solar panel, PV cells get to work by producing direct current (DC) electricity. ... That's where the other pieces of solar energy equipment come into the picture.
