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*If all cells of a plant have identical DNA, then why are there different cell types and tissues within a plant?

The vast number and variety of flowering plant species is probably related to which of the following?

Liverworts members of the

In a variety of cornflowers in which blue flowers and dwarf plants are the dominant forms of genes carried on separate pairs of chromosomes, and white flowers and tall plants are their recessive counterparts, assume a cross has been made between a homozygous blue, dwarf plant and a homozygous white, tall plant. Which of the following phenotypic ratios would be represented in the F2 generation?

Which is a morphological adaptation to reduce water loss from the leaf?

*Upon exposure to blue light, plants not only begin to grow toward the light, but redistribute the chloroplasts to sunny side of each cell. Which of the following best explains the adaptive advantage of moving chloroplasts to the sunny side of each cell?

When the leaves of deciduous trees appear to turn different colors in autumn, what is the cause?

*As part of a laboratory assignment in your botany class, you must select a monocot specimen. Your lab partner believes she has found one, but you disagree. Which feature could you show her that would indicate you have found a dicot, and not a monocot, specimen?

Many crops, such as wheat, rice and beans, are _________ and do not require a pollinating agent such as wind or animals.

In ferns, meiosis occurs in the