Exam 24: The Plant Body

In addition to permitting gas exchange,stomata allow water to evaporate from plant cells.This suggests that a plant,in order to maximize photosynthesis without dehydrating,would typically keep its stomata

The veins of a leaf consist of

An agriculture lab is trying to improve a type of tomato so that it produces large fruits even under very hot,dry conditions.To do this,they must first identify the genes responsible for the tomato's response to temperature and moisture.Which experimental approach would be most helpful in doing this?

Herbivorous animals and insects prefer to graze on young,growing stems and leaves rather than on fully grown structures.These tender young plants are non-lignified and flexible,as opposed to the mature structures which have been strengthened by _______tissue.

Because plants are unable to move,they must be able to perform a number of functions.Which is not one of those functions?

The original purpose of artificial selection in domesticated crop plants was to

A student views a cross section of a plant stem under a microscope.She decides that the plant must be a monocot,rather than a eudicot,because its vascular tissue

The repeating unit from which the shoots of flowering plants are constructed is the _______.

A plant that produces protoderm,ground meristem,and procambium,but does not produce lateral meristems,undergoes

Plant leaves typically show determinate growth: that is,they reach a certain size and then stop growing.A researcher wishes to determine if leaf growth can be changed from determinate to indeterminate.In setting up an experiment to test this question,the researcher would have to alter the function of which plant part?