Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules. Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule
Answer:
an example of an organism being directly affected by a biotic factor is
a wood pecker makes holes in a trees bark and that allows insects into the tree killing it the biotic factors are the wood pecker and the insects the affected organism is the tree
Explanation:
Because they have more space for farming and they have a lot of rice.
The long arm of a chromosome
