A species of butterfly lives in a warm climate. The butterflies feed on the nectar of tropical flowers. Birds eat the butterflies, and they prefer to eat the butterflies with brighter wings. What would most likely cause this species to become extinct?

a mutation resulting in darker wings
a decrease in the birds that eat the butterflies
the destruction of the butterflies’ environment
overproduction of butterfly offspringWhich are characteristics of natural selection? Select three options.

It affects populations.
It affects only individuals.
It occurs when there is genetic variation.
It occurs when organisms are genetically identical.
It selects organisms with certain traits to survive.
It selects organisms at random to survive.

Which of the following would an isolationist support?

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.

Why did countries not allow jewish refugees asylum?