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.

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons