If pink snapdragons of the f1 hybrids (rw) are crossed with red snapdragons of the parent plant (rr), what will be the ratio of flowers produced in 40 offspring?

a. 30 pink flowers, 10 red flowers
b. 20 pink flowers, 20 red flowers
c. 10 pink flowers, 30 white flowers

When analyzing tree rings, what do scientists assume a thin ring indicates?

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

Give examples of selective advantage of organism’s body part/organ