Answer:
3) Fertilization membrane.
Explanation:
When sperm cell fertilizes an egg cell, signal transdution occurs which causes fertilization membrane to be formed. Ovum thickens and hardens the vetelline membrane causing separation and prevents multiple fertilization by the spermatozoon.
<span>The nurse would consider uterine rupture. The patient had prior surgery on her uterus making her at an increased risk for uterine rupture. The drop in her blood pressure and rise in her pulse is a sign of hemorrhaging in the uterus.</span>
100,000 years ago, there were three species of hominin that coexisted on Earth. They were Homo heidebergensis, <span>Homo neaderthalensis, and Homo erectus.</span>
The cell structures needed for photosynthesis are chloroplast,mitochondria, ribosomes, and the vacuole. The cell structures for cellular respiration are glucose, cytoplasm, and mitochondria.
<span>An organ system is a group of organs that work together to preform a similar function.</span>
