Why isn't earth a closed system? a. earth reflects and radiates energy. b. matter continually cycles between the "spheres." c. large amounts of matter currently reach earth from space. d. earthquakes, volcanoes, and hot springs release energy from earth's interior.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality