Which of the following choices did Wegner give as evidence for continental drift? a) Fit of continents, rock sequences, glacial evidence
b) Identical fossil species on different continents (both plant and animal), Antarctic climate changes
c) Sea-floor spreading, mid-ocean ridge, and trenches
d) a and b only

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

Which of the following is not associated with invasive species?

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.