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Botany Lesson 7 Crossword
Down
:
1) These geophytes look like roots, but they're actually underground stems that store excess food. Instead of growing down, they grow horizontally.
2) Turning towards Earth.
3) It is a growth chemical in plant roots that is affected by gravity. Because gravity causes an uneven distribution of this chemical in the root, the root grows in the direction of gravity, which is toward the center of Earth.
4) When the plant looks like it's dying before it can revive itself.
5) These root systems are made up of a series of roots growing in many directions. Some thicker than others, but there is not one main root. This root system is also usually wider than it is deep.
7) Plants grown from rooting that has the same DNA as the plant from which the stem or root came.
9) This is a special storage house that's made up of special leaves and a short stem. It operates kind of like a seed since you can pull it up and save it to plant later. This is not a root system.
10) A network of tubes, usually growing underground.Their two main jobs is to absorb nutrients and water from the soil and to hold the plant in place like an anchor.
11) These are underground stems that are swollen, forming a big lump. They are also packed full of starch, which is a form of sugar.
15) The tiny hairs that look a lot like fur that cover a root. They appear soft and downy and seem a bit unimportant, yet they're probably the most important part of a root! They actually do most of the work of absorbing water and nutrients for the plant!
16) Rain and wind can whisk soil away, changing the surrounding landscape.
Across
:
6) This is another word for geotropism and means turning in the direction of gravity.
8) Roots that branch off the main root.
12) This is the process from which plants are grown through putting the healthy stem or branch from the plant in soil or water.
13) They are earth plants because they're like an entire plant under the earth. There are other underground storage systems in plants such as corms, tubers, and rhizomes (rye' zohms). Each can be kept in a cool place for years then planted in the ground to grow. This is because they have all the nutrients the plant needs to grow its roots and stems.
14) A taproot system is made up of one thick, main root growing down from the plant's stem.
17) A little group of tough cells. It is the strongest part of the root tip, and its job is to push its way through the dirt to search for moisture and nutrients.
18) They are solid underground plants that grow roots from the bottom. They survive underground through winter and produce new plants in spring.
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