1. Which is an example of respiration?
A. Dead plants transfer carbon to soil
B. The burning of fossil fuels
C. Plants use glucose for food and car
is released back into the atmosphe
D. The ocean surface removes carbon
from the atmosphere through
diffusion

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

How would you describe an allele that be expressed and determines an organisms appearance? a.uncapitalized b.responsive c.recessive d.dominant