Darwin focused on studying specific species on the galapagos islands and other places and observed
a. the genetic makeup of the individual species
b. that fossils tell us about the past
c. similar species in different areas with unique traits
d. how individuals grow in numbers

Which of the following is an example of this type of co-evolution

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases