Oogamy always involves fertilization from gametes of different sizes.
a. true
b. false

Can someone me i need the answer and don’t understand?

Which star has the highest apparent magnitude?

S, tall stems (t) is a dominant trait while short stems (t) is a recessive trait. in a field of 1000 sunflowers, 820 are tall plants and 180 are short. which statement best describes the genotype of the sunflowers in the field?