A selection experiment you are doing requires certain conditions in order for evolutionary change to occur. What conditions would cause this change? (Select all that apply.)A) variation between individuals in a populationB) genetic variations being heritableC) no variation existing between individuals in the next generationD) survival rate of offspring varying due to parental genetic differences
What will be an ideal response?
A, B, D
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Sense mutations produce ____
a. elongated proteins b. shortened proteins c. extra termination codons d. frameshifts e. cell death
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?
Four of the five answers listed below are plants
in which the sporophyte is dominant. Select the EXCEPTION.
a. club mosses b. tomatoes c. cycads d. liverworts e. horsetails
Although carbon dioxide contains carbon, it is not considered an "organic" compound because ____.
A. it is not found in the earth's crust B. it is not present in living cells C. the carbon atom is not bonded to at least one hydrogen atom D. the carbons are not in chains or rings E. it is too small