Which of the following occurs during the ecological succession of an ecosystem?
a. an ecosystem reaches a final, unchanging stage.
b. changes occur that are caused by organisms outside the ecosystem.
c. living organisms modify their environment a little at a time.
d. parts of communities split off to form new communities.
Answers: 1
Biology, 21.06.2019 18:00
Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence
Answers: 1
Biology, 22.06.2019 05:30
Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor
Answers: 1
Biology, 22.06.2019 12:30
Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls
Answers: 3
Biology, 22.06.2019 21:30
You sample a population of butterflies and find that 56% are heterozygous at a particular locus. what should be the frequency of the recessive allele in this population?
Answers: 1
Which of the following occurs during the ecological succession of an ecosystem?
a. an ecosyst...
a. an ecosyst...
Business, 12.04.2021 14:00
English, 12.04.2021 14:00
History, 12.04.2021 14:00
Mathematics, 12.04.2021 14:00
Spanish, 12.04.2021 14:00
Social Studies, 12.04.2021 14:00
Mathematics, 12.04.2021 14:00
Mathematics, 12.04.2021 14:00