A fearsome predator lurks in the dark corners of human dwellings. It has many similar body segments, with a single pair of long legs on each, and a pair of poison claws. This animal would be a _____
Fill in the blank(s) with the appropriate word(s).
Ans: centipede
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Many insects, like moths and flies, undergo complete metamorphosis. What would you predict about gene expression in these two kinds of insects?
A. The basic organization of homeotic genes is the same in both larvae and adult, but the expression of some other genes must be different. B. Completely different sets of genes must be used in the development of larvae and the adult. C. The order of homeotic genes along the body axis must be different in larvae and adult. D. The same genes are expressed at each stage, but the age and number of cells accounts for the minor morphological differences. 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 homeotic genes and metamorphosis? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Genetic drift is a random process that can change the genetic structure of a population
a. True b. False Indicate whether the statement is true or false
What is the function of xylem?
a. It conducts water downward in the plant. b. It transports food upward in the plant. c. It transports minerals and water throughout the plant. d. It transports photosynthetic materials from stem to leaf. e. It slows the evaporation of water from the plant.
What part of a plant consists of self-perpetuating embryonic tissue that is typically found at the tips of shoots and roots?
a. the protoderm b. the meristem c. the dermal tissue d. the ground tissue