48. Which of the following is an example of a point source of pollution? Agricultural pesticides from crops Oil spill from a tanker from burning fossil fuels in cars Mercury from in-land coal mines

Ais a group of individuals of the same that exist together in the same place at the same time

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 .

Acuvu time remaining 51: 04 there are two different alleles for flower color, p and p. the image shows a purple sweet pea that is labeled with its two alleles for petal color photo by christine matthews pp which is the genotype of the sweet pea? save and exit nex subs mark this and retum