Using the fork-line method, determine the final genotypic and phenotypic ratios for a
cross between the parents: BbTT xbbtt where B is black, bis white, T is tall, and t is short.

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

The model illustrates a process by which a substance is taken up by a cell

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.