A scientist notices that the level of toxic chemicals in an algae plant is 400 ppm. A consumer called zooplankton eat the algae. What level of toxic chemicals
would the scientist discover in the zooplankton?
4 ppm
400 ppm
4,000 ppm
40,000 ppm

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 rapid change in species that rarely leaves behind fossil evidence is referred to as

What is the correct order of cell division? include what happens in each phase