Identify the plant tissues in the three images.
А
B
C

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

Draw the structure of dna nucleotide with adenine as nitrogenous base

Crossing over is a method of (blank)?