What are the similarities between prokaryotic and eukaryotic cells?

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

What is the compliment dna strand to the following sequence: ttgactaggcta

Explain why ecosystem diversity results in species diversity in a healthy biosphere