Which of the following statements supports the concept that organisms are still evolving?

a: the increasing population of humans.
b: the decreasing number of fossils found in rock.
c: the increasing need for new antibiotics and medicines.
d: the decreasing number of new species being discovered.

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.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food