Which of the following floral reproductive
structures is incorrectly matched?
a. microspore-pollen grain
b. egg-embryo
c. ovule-seed
d. ovary-fruit
e. none of these structures are incorrectly
matched
E
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After 5,730 years, we can predict that half the molecules of 14C will have been converted into ________
a. 14N b. 32P c. 12C d. 60Co
The first antibody secreted upon exposure to an antigen.
What will be an ideal response?
Birds that catch their prey by plunge diving into the water from the air are:
a. skimmers. b. cormorants. c. terns. d. penguins. e. avocets.
Which one of the following examples describes a communication mode that would be best for signaling over the greatest distance in a dark, densely forested environment?
A. display of plumage of a male bird to attract females B. waggle dance of a honeybee in a colony within the forest C. pheromones released by a female moth D. territorial song of a male bird to repel other males E. flashing of a male firefly to attract conspecific females 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 the different modes of communication? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection 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?