Which of the following is a correct statement about macarthur and wilson's island equilibrium model?
small islands receive few new immigrant species.
as the number of species on an island increases, the emigration rate decreases.
competitive exclusion is less likely on an island that has large numbers of species.
islands closer to the mainland have higher extinction rates.

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

The fluid mosaic model of the membrane proposed that membranes