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
competition plays a very important role in ecology and evolution. The best competitors are the ones who survive and get to pass on their genes.
The answer would be : <span>B. the Casparian strip is waterproof.
Hope this helps !
Photon</span>
Answer:
Enrichment helps satisfy both the physical and psychological needs of animals and allows them to make choices. Thus, animal enrichment creates a win-win-win situation for the animals, visitors and keepers! In the wild, animals must find food, defend territories, escape predators and build homes.
The cells are producing carbon dioxide and water. By taking in oxygen, the one performing cellular respiration releases carbon dioxide into the air.
