Which type of plant hormone is primarily responsible for promoting the formation of lateral roots?
a. jasmonates
b. gibberellins
c. auxins
d. systemin
e. cytokinins
C
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In your garden, you have an Ailanthus altissima, also known as the Tree-of-Heaven. You try adding additional plants to the same garden bed, but notice poor seed germination and seedling growth around the tree. What is the most likely explanation for this?
A. The tree is blocking most of the available sunlight which is limiting germination and growth. B. The tree is utilizing most of the available miconutrients in the soil. C. The roots of the tree have a stronger water potential than the seedlings which is causing the seedlings to dehydrate. D. The tree has a mutalistic relationship with animals that are removing plants that are in competition for resources with the tree. E. The tree is releasing chemicals into the soil that are inhibiting germination and growth of other plants. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about about plant interactions? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Forests containing ____ trees once stretched unbroken across eastern North America, Europe and eastern Asia before
farmers cleared the land.
a. white spruce and balsam fir b. sages c. epiphytes d. teak e. ash, beech, birch, elm, and oak
The diffusion of water across a selectively permeable (biological) membrane is
A. a rare occurrence. B. active transport. C. a process that always requires proteins. D. always beneficial to a cell. E. osmosis.
What best characterizes Crohn's diesease?
A) an ulcerated digestive tract B) inflamed blood vessels C) hard, accumulating feces D) a cramping muscularis muscle E) accumlating food in mucosa