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
For a fish to be buoyant, or float, it must displace less water or the same amount of water as its own body mass. ... Many fish use swim bladders to help them with quick depth changes. These bladders fill with air to help fish rise or release air so fish can sink, often in conjunction with forward movement.
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46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
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Answer:
Charles Darwin came up with the theory of evolution.