Species a and b are found in the same ecosystem. what could be inferred from the data shown in the graph below?
a. species a is a keystone species
b. species b is the predator of species a.
c. species b is the prey of species a.
d. species a is a parasite of species b.

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

What is the major difference between a virus and a viroid?

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of . cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of .