Double fertilization happens when one sperm cell wires with the egg to create a zygote, and the other sperm cell wires with the two polar cores to make the endosperm.
To answer the above:
Once double fertilization occurs in plants, the zygote is diploid and the endosperm is <span>triploid.</span>
Answer:
B:The formation of two or more species from a common ancestor.
Explanation:
<span>The term used when a mother makes the decision to terminate a pregnancy is abortion. This term means that the pregnancy will come to an end via removing the embryo or fetus prior to any time that it is capable of surviving on its own outside of the uterus.</span>
Answer:
An aurora can be defined as southern lights, polar lights, northern lights, is type of natural light display in the sky.
It is generally seen in the high altitude regions.These are formed by the disturbance in the magnetosphere which is caused by solar winds.
These are light which appears in the sky due to the particles, mainly electron and protons that precipitate into the upper atmosphere.
Lack of light in the depths of the ocean does not mean life does not exist at such depths. Marine biologist have found numerous interesting (and slightly nightmareish) life forms at various depths.
