__________ is the acquisition of traits from parents who transmit their DNA to offspring.
A)Reproduction
B) Development
C) Homeostasis
D) Inheritance
Answer: D) Inheritance
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Scientists studying a group of related bird species on an island archipelago discover that these species are always more closely related to each other within an island than they are between any two islands. The most likely explanation for this result is that
A. each bird species evolved different adaptations in allopatry and then colonized the other islands. B. one bird species colonized each island and then evolved into distinct species on that island through character displacement. C. each bird species became reproductively isolated by living on a different island, then later colonized the other islands and acquired new adaptations. D. many ancestral bird species colonized each island. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about adaptive radiation? 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?
Prokaryotes differ from eukaryotes in that they
a. have flagella. b. lack DNA. c. have chloroplasts and mitochondria. d. lack a nuclear envelope. e. have cell walls.
DNA and RNA are alike in
a. the pentose sugar. b. all the nitrogenous bases used to assemble the genetic code. c. the number of strands. d. their function in genetics. e. none of these.
Suppose an individual is born with both an X and a Y chromosome, but the Y chromosome has a mutation that eliminates the function of the SRY gene. How would this person appear phenotypically?
a. hermaphrodite b. male c. male, but with some female features d. female