Help me out please! This is for science!
...
Answers: 2
Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
Answers: 2
Biology, 22.06.2019 01:00
Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain
Answers: 2
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
History, 16.10.2021 22:10
Mathematics, 16.10.2021 22:10
English, 16.10.2021 22:10
Mathematics, 16.10.2021 22:10
English, 16.10.2021 22:10
Mathematics, 16.10.2021 22:10
SAT, 16.10.2021 22:10
Mathematics, 16.10.2021 22:10
Mathematics, 16.10.2021 22:10
English, 16.10.2021 22:10