You have learned that the fusion of egg and sperm produces a zygote. but how does the sperm reach the egg, and how does the zygote develop into a seed, which eventually germinates and grows into a mature sporophyte? in this activity, you will demonstrate your understanding of double fertilization and seed development in angiosperms.

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant