Which of the following statements is true? 1.all genes are dominant.\ 2.a hybrid organisms has one recessive gene and one dominant gene. 3.genotype is the expression of a trait. 4.only pea plants with two dominant genes for tallness will have a tall phenotype.

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?