Which response is a result of geotropism? a) flower being produced
b) growing bigger leaves
c) roots growing downwards
d) seeds germinating

Which describes radioactive decay of a substance

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

Explain how organisms could be harmed by high levels of salt from roadways?