Which of the following species is a K-selected species? a. Redwood trees
b. Fruit flies
c. Algae
d. Grasshoppers

The process by which natural forces move weathered rock and soil brim one place to another is called

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.

This is a biological reaction due to a stimulus. i need this quickly !