You are riding on your bike and stop pedaling, coasting along the road. Eventually, your bike slows down and stops. What happened to the energy of your motion when your bike stopped?
A) It was returned to the bicycle.
B) It was converted back to chemical energy.
C) It was released as heat.
D) It was used to chemically break down the tires.
C
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Which of the following is true concerning the dodo bird?
a. The greatest effect by humans on the dodo bird was because Dutch sailors ate them b. The dodo bird went extinct in the twentieth century due to industrial pollution. c. Humans were not involved in their fate. d. Destruction of nests and habitat by animals that accompanied the sailors caused the greatest effect on dodo bird populations.
Cheetahs are cats native to the African continent. The population numbers have been drastically reduced in the past. Also, the allele frequencies of the cheetah populations are very similar, with little or no differences among populations. Individuals are virtually genetically identical. The loss of genetic variation in cheetahs is likely due to
1.a founder effect 2.a bottleneck effect 3.sexual selection 4.chance
What type of fungi are obligate symbionts with plant roots and played a key role in the colonization of lands by plant?
A. chytridiomycetes B. microsporidians C. zygomycetes D. blastocladiomycetes E. glomeromycetes
The following steps occur during multiplication of herpesviruses. Which is the third step?
A) attachment B) biosynthesis C) penetration D) release E) uncoating