The associated figure provides support for which of the following processes?
a. secondary succession
b. competitive exclusion
c. coevolution
d. mutualism
e. resource partitioning
b
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You return home to find that your baby brother has scattered his toy trains and trucks all over the floor of your room. As you begin to pick up the toys and put them away, you realize that even though he is just a baby, he has clearly mastered:
A. the first law of thermodynamics. B. the second law of thermodynamics. C. potential energy. D. free energy.
Which of the following are group A Streptococcus (GAS)?
A) Streptococcus aureus B) Streptococcus pneumonia C) Streptococcus pyogenes D) Streptococcus viridans
When Mendel crossed tall (Tt) plants with tall plants of the same genotype, the offspring
A. were always short. B. were a variable mix of tall and short. C. were an equal mix of short and tall. D. were always tall. E. did not grow and reproduce, because they were separate species.
Which of the following can be used to accurately describe viruses?
a. They are small, cellular infectious agents that are only capable of reproducing when inside a living cell, and they can attack plants as well as animals. b. Each is typically a piece of genetic material encased in proteins, and they can reproduce on their own. c. They can attack plants, animals, and protozoans, and each is typically a piece of self-replicating genetic material encased in proteins. d. Typically just a piece of genetic material encased in proteins, viruses are small, non-cellular infectious agents that are only capable of reproducing when inside a living cell such as those of plants, animals, fungi, protozoans, or bacteria.