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timer Asked: Jun 21st, 2015

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Structures that are found in both plant and animal cells include

Caroline wants to design an experiment to determine the effects of geotropism on the roots of lima bean sprouts. She plans on having a control group and an experimental group. A good design would involve

Plants roots grow downward due to geotropism. Geotropism is caused by

One differentiating characteristic between vascular and nonvascular plants is the lack of active transport structures in the nonvascular plants. How does the lack of xylem or phloem contribute to the smaller size of the nonvascular plants?

Turgor pressure assists in helping a plant stay upright. When the concentration of sugars and ions in the cell’s vacuoles is high, water rushes into the cell, increasing the pressure on the cell wall. What would be the most likely result of a low concentration of sugars and ions in the cell’s vacuole?

All plants need water to survive. However, plants also need to limit the amount of water they lose to the air surrounding them so that they do not dry out. Identify the structures of plants that help regulate the water going in and out of a plant.

One of the factors that contributed to the movement of plants from the water to the land is increased exposure to sunlight. Why was this increased exposure important to plants?

Photosynthesis occurs in the plant’s chloroplasts, where energy from sunlight is captured and used to start a reaction that produces several products. What is one way that photosynthesis benefits all living things?

Ivan is looking at a cross section of a stem taken from a vascular plant. He sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. How do these two structures work together in a living plant?

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