Many plants devote significant resources to growing colorful, fragrant flowers filled with nectar. What does this illustrate the importance of?  

A.  nutrient storage in seeds
B.  long-term nutrient storage in perennial plants
C.  outcrossing
D.  chemical signaling among plants


C.  outcrossing

Biology & Microbiology

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Is the statement, “In most biology experiments, the relationship between the independent variable(s) and dependent variable(s) can best be described as cause and effect,” true or false? Defend your answer.

What will be an ideal response?

Biology & Microbiology

The idea that geologic processes have formed the

earth’s surface by repeating the same actions over and over is known as 172 Test Bank a. the theory of catastrophism. b. plate tectonics. c. continental drift. d. the theory of uniformity. e. the theory of relativity.

Biology & Microbiology

An unusually dangerous strain of flu that infects humans was reported from China in the spring of 2013. The strain is called H7N9. In this coding scheme, H and N refer to ________ and ________ proteins

Fill in the blank(s) with correct word

Biology & Microbiology

A process in which a sister chromatid inherited from the mother and a sister chromatid inherited from the father pair up and form tetrads and exchange DNA to form genetically diverse gametes is called ________

A) cell cycle B) prophase C) cytokinesis D) crossing over

Biology & Microbiology