Three of the four statements below are true about energy and life. Select the exception.
A. Along with nutrients, energy gets cycled throughout the environment.
B. Animals and decomposers are consumers and must get their energy and nutrients indirectly.
C. Nutrients in the environment get cycled between producers and consumers.
D. Producers get energy and simple raw materials from environmental sources and make their own food.
Ans: A. Along with nutrients, energy gets cycled throughout the environment.
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Two parents who do not have sickle cell anemia have a child that has the disease. The parents are both:
A. homozygous for the sickle cell allele. B. heterozygous for the sickle cell allele. C. homozygous for the normal allele. D. epistatic for the sickle cell allele. E. pleiotropic for the sickle cell allele. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about sickle cell anemia? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
A rapidly growing population is likely to have an age-structure diagram that is
a. bullet-shaped. b. in the shape of an inverted pyramid. c. shows significant bulges in the middle of the diagram. d. constantly changing its shape. e. in the form of a pyramid.
Osteoporosis is a common condition that essentially results when homeostasis cannot be maintained in ________ and ________
A) osteoclasts; osteoblasts B) osteoblasts; osteons C) chondroblasts; osteoclasts D) canaculi; chondroblasts E) canaculi; osteoclasts
Cylindrical layers of meristem that run lengthwise through shoots and roots, and allow for thickening, are called ____.
A. lateral meristems B. apical meristems C. ground meristem D. procambium E. protoderm