Which of the following is the upper tissue layer specialized for photosynthesis in most plant leaves?
a) palisade mesophyll
b) cortex
c) epidermis
d) vascular bundle
e) spongy mesophyll
Answer: a) palisade mesophyll
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Our species, H. sapiens, derived from:
A. H. neanderthalensis. B. H. floriensis. C. H. ergaster/H. erectus. D. H. habilis. E. H. rudolfensis.
For each statement, indicate whether it is True or False. If you choose False, briefly explain why the statement is incorrect. True or false. Organisms higher in a food web eat everything that is lower in the food web
What will be an ideal response?
Courtship for Anolis lizards involves the male displaying a dewlap (skin under the throat area) that varies in appearance based upon the species. Lizards that are found in darker, more shaded environments will have dewlaps that are lighter in color because they are more noticeable by potential mates. Which of the following mechanisms best explains how speciation is at work in this example?
A. Postzygotic isolation B. Reinforcement C. Genetic drift D. Natural selection Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about speciation? What other information is related to the question? 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?
Four of the five events listed below are stages of
actual nuclear division. Select the exception. a. anaphase b. prophase c. interphase d. telophase e. metaphase