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
A similarity between the nervous system and the hormone secreting system in humans is that they both <span>help to maintain homeostasis.
Homeostasis is <span>the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.</span>
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Answer:
All cells have a nucleus, which acts like the brain of the cell
Explanation:
prokaryotic cells don't have a nucleus
Se alimentan con sol y agua