Evolution Review

In which populations does genetic drift most often occur? 

• Large populations 
• Small Populations 
• Marine Populations
• Terrestrial Populations 

How does pesticide resistance in insects lead to the evolution of the overall insect species?

• The species will develop different eating methods to avoid the pesticides.
• Insects surviving pesticide applications become weaker and will eventually die.
• Farmers will use different pesticides to kill the insects, eliminating the species
• Pesticide-resistant insects will survive and reproduce, increasing the percentage of pesticide-resistant insects in the population.

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Which contributes most to the development of drug-resistant bacteria?

• Drinking Well Water
• Over use of antibiotics 
• Poor Hygine
• Failure to take vitamins 

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An antibiotic that kills bacteria might leave behind a few surviving bacteria cells. This can best be explained by which evolutionary principle?

• Anatomical Similarities 
• Chemical similarities
• Geographical Distribution
• Natural Selection

What are homologous structures? 

• two anatomical structures in different species produced from the same embryonic tissues
• a feature that is the same general size and shape as an anatomical structure
• anatomical structures that used to have a function but have evolved to be useless
• the fossilized remains of an anatomical structure that resemble a structure found in another species

Why do competition and struggle for existence occur among members of the same population?

• Animals have a natural tendency to kill off weaker members of their group.
• Natural variation makes some members more suited for the habitat.
• The presence of other species in the habitat makes resources harder to find.
• More offspring are born than resources can support.

What is the best way to determine the evolutionary relationships between species?

• By comparing their bone structure
• By comparing their physical appearance 
• By comparing the amino acid sequence of their proteins
• By comparing them to fossils. 

Which best illustrates Natural selection

• Whales can live in the ocean
• Hippopotamus rolling in the mud 
• Giraffes formation of a  long neck
• Monkeys grooming eachother 

A finch eating nuts would have a short, strong beak, while a finch eating nectar would have a longer beak. Which mechanism of evolution would cause this to happen?

• Adaptive radiation
• Stabilizing selection
• Convergent evolution
• Reproductive Isolation 

What can be inferred from the following statement? The protein cytochrome c is found in all aerobic organisms.

• Living things have not evolved
• All living things will evolve to become aerobic
• Aerobic organisms evolved from a common ancestor
• Anaerobic organisms will evolve into aerobic organisms.