Horses and donkeys can mate successfully to produce mules, which are always sterile. Which genetic isolating mechanism prevents horses and donkeys from becoming a single species?
A) Hybrid infertility
B) Mechanical isolation
C) Behavioral isolation
D) Temporal isolation
E) Hybrid inviability
A
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Since Rubisco can either fix carbon or oxidize RuBP, what condition will be most favorable for glucose production?
A. moderate temperatures B. high temperatures C. dry climate D. high oxygen environment 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 RuBP, rubisco, and the Calvin cycle? What other information is related to the question? Choose Answer Do you have all the information needed to determine the most favorable condition for glucose production? 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?
Which of the following binds plant cells into tissues?
A. pectins B. cadherins C. integrins D. cadherins and integrins E. cadherins, integrins, and pectins
Flowering plants use animals or wind to transfer ________ between flowers.
A. megaspores B. seeds C. pollen D. microspores E. ovules
A feature unique to some fungi is:
A) cells with three haploid nuclei. B) diploid cells. C) dikaryotic cells. D) a lack of chlorophyll.