Which two embryos show the strongest structural and developmental similarities in their earliest stage of life?

a. chicken and fish
b. sea star and human
c. leech and frog
d. earthworm and snake

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

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite