Answers: 1
Biology, 21.06.2019 22:00, queenpanda365
Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
Answers: 3
Biology, 22.06.2019 09:30, ceeejay0621
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
Biology, 22.06.2019 23:00, zasxdcfvg5868
If you see a sedimentary outcrop and red layers of sand are at the top of pale layers of rock, what does this tell you about the ages of the rock layers?
Answers: 3
Biology, 22.06.2019 23:50, brianwins07
When a plant is genetically identical to its parent plant what is this called
Answers: 1
A compound such as cephalothin that is made by a species of mold and is able to kill or inhibit a nu...
Mathematics, 08.10.2019 17:30
History, 08.10.2019 17:30
History, 08.10.2019 17:30
Mathematics, 08.10.2019 17:30
Biology, 08.10.2019 17:30
History, 08.10.2019 17:30