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All of the following hormones are believed to be involved in abscission EXCEPT

Which statement is NOT true about photoperiodism?

All of the below are plant root function EXCEPT

The main components of soil are

As a botanist working for a field museum, you spend many hours in the field looking for new species. On a recent trip you may have discovered a new plant species. The plant is very short, and has a stem but no roots or leaves. The stem forks and has branches that have sporangia on the tips. Further analysis reveals vascular tissue. What type of plant might you have discovered?

A typical leaf is composed of multiple layers of specialized cells. What is the correct order of layers starting on the upper surface of the leaf and progressing to the lower surface?

How can researchers confirm that phloem moves from a source to a sink?

All of the below are important processes in soil formation EXCEPT

Using the word bank, name the labeled structures. Briefly describe their function (shoot system, root system, terminal bud, internode, node, stem, axillary bud, leaf, petiole). E. _____ F. _____ G. _____ H. _____

Horticulturists often use _____ and other growth regulators applied as a paste to plant cuttings to stimulate root formation.