T pollen grain fertilizes an egg cell while a second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm.
Answer:
A
Explanation:
but I'm not certain of the answer.
Is the list that is used to save all the fossil type in the world, and is used to help un the imbestigation about other fossils
Aquatic ecosystems contain several types of organisms that are grouped by their location and by their adaptations.
Hope that helps :)