The most recent era of the geologic time scale is the____era
Fill in the blank(s) with the appropriate word(s).
Ans: cenozoic
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Which of the following "vegetables" is botanically a fruit?
A) potato B) lettuce C) radish D) celery E) green beans
Clostridium tetani in deep puncture wounds can cause the disease ________ in humans.
Fill in the blank(s) with the appropriate word(s).
Studies of snapping shrimp on either side of the Isthmus of Panama have shown that each Caribbean shrimp species is more closely related to a Pacific shrimp species than it is to any other Caribbean shrimp species. The most likely explanation for this result is
A. snapping shrimp in the Caribbean and the Pacific were never part of the same population. B. snapping shrimp species in each ocean diverged prior to the formation of the Isthmus of Panama. C. snapping shrimp species in each ocean diverged after the formation of the Isthmus of Panama. D. creation of the Panama Canal allowed interbreeding between populations of shrimp. 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 sympatric and allopatric speciation? 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?
What is the advantage of producing a seed over a spore?
A. Seeds are diploid, and can grow directly into a sporophyte. B. Seeds are haploid, and can grow directly into a sporophyte. C. Seeds are diploid, and can grow directly into a gametophyte. D. Seeds are haploid, and can grow directly into a gametophyte. E. Producing seeds over spores is a disadvantage.