Which biological process helps detect changes in the environment and respond? While walking in your backyard barefoot, you step on a thorn from a rose plant. As a result, you immediately cry out in pain. The biological characteristic that you just demonstrated is .

Christie's doctor recommends that she eat 40 grams of protein a day. she's already consumed 50% of her protein recommendation for the day. how many servings of the given snack should christie have to meet her daily protein recommendation?

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.

If animal agriculture was eliminated, how much grain would become available for human consumption?