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
Answer:
C
Explanation:
it is chemical, not physical
Answer : True
Enrichment cultures are used to increase a small number of desired organisms
This structure is called the epiglottis. This flexible leaf-shaped cartilage serves as a flap that covers the larynx to prevent food and liquids from entering the airway and the lungs. It is open when we breathe which allows air to enter into the larynx.
I believe that last one is true (photosynthesis of plants)
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