let u=speed of flow
A x v = n x a x u then u = A x v/ n x a
D. Fertilization, diploid
During fertilization, the egg and sperm (haploid gametes) fuse and form a diploid zygote. The zygote has 2 complete sets of chromosomes, one from each parent.
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The advantage for the reduced gametophytes in seed plant is that they gain nutrients from the sporophytes
Gametophytes are microscopic and have capacity to develop from spores retained in the sporangia of parental sporophyte. This kind of arrangement protect developing gametophyte from environment stress which enable it to gain nutrient from sporophyte.
Living things require specific organic molecules in order to survive. The picture above represents some specific examples of foods that are mainly composed of one of these necessary organic molecules. The organic molecules found in these types of food are
B) proteins.