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The explanation as to why 98.6% of DNA sequences in humans genes correspond to genes in chimpanzees. A) humans and chimpanzees share a relatively recent common ancestor.B) humans evolved from chimpanzees.C) chimpanzees evolved from humans.D) convergent evolution led to the DNA similarities.

Burning fossil fuels releases oxides and sulfur, ultimately these [a]A) can cause fish killsB) can cause acid rainC) can directly damage plants by leaching nutrientsD) can cause calcium deficienciesE) can cause any of these   

How did altruism arise through natural selection? [a]A) The altruist increases the likelihood that some of its genes will be passed on to the next generation.B) The altruist is appreciated by other members of the population because its survivability has been enhanced by virtue of its risky behavior.C) Animals that perform altruistic acts are allowed by their population to breed more, thereby passing on their behavior genes to future generations.D) Altruistic behaviors lower stress in populations, which increases the survivability of all the members of the population.

MATCHING EXERCISE – Chemical Bonding

Which of the following is an example of aposematic coloration? [a]A) a non-poisonous snake mimics the color of a poisonous oneB) the brightly colored patterns of monarch butterfly caterpillarsC) green color of a plantD) a katydid whose wings look like a dead leaf

Charles Darwin was the first to collect evidence that supported natural selection. [a]A) TrueB) False  

If a function is represented by a power series

Match the symbiotic relationships with their effects

Regarding ecosystem [a] flows through it and [b] cycles through it.A) matterB) energyC) chemicalsD) biomass

Radius of convergence of series