Answer:
Petals d. serve to attract animals to collect and disperse pollen.
Explanation:
Petals serve to attract animals to collect and disperse pollen. This is because petals are modified leaves that surround the reproductive parts of flowers protecting them. They have super bright colors and different shapes so they attract pollinators and animals. Petals have different functions depending the type of plant repelling or attracting specific pollinators.
Answer:
Adenine, Guanine, Cytosine, and Uracil.
Explanation:
If the Na+ voltage-gated channels in a muscle cell open, the Na (sodium) ions rush inside the muscle cell and makes the cell more positive as Na ions carry positive charge on it. Due to the entry of positively charged ions inside the cell, the cell becomes less negative and more positive. This is called depolarization of cell.
It explained the shift in in the earth from the plate tectonics and how when the volcano erupts it causes lava to come out