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
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?
The first antibody secreted upon exposure to an antigen.
What will be an ideal response?