Answers: 1
Biology, 21.06.2019 15:00
According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.
Answers: 3
Biology, 22.06.2019 04:30
African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.
Answers: 2
Biology, 22.06.2019 13:00
Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .
Answers: 2
Biology, 22.06.2019 23:30
S, tall stems (t) is a dominant trait while short stems (t) is a recessive trait. in a field of 1000 sunflowers, 820 are tall plants and 180 are short. which statement best describes the genotype of the sunflowers in the field?
Answers: 1
Why are frogs said to have " two lives"...
Computers and Technology, 09.07.2019 19:00
History, 09.07.2019 19:00
Arts, 09.07.2019 19:00
Mathematics, 09.07.2019 19:00
English, 09.07.2019 19:00
Mathematics, 09.07.2019 19:00
Health, 09.07.2019 19:00
Health, 09.07.2019 19:00
Chemistry, 09.07.2019 19:00