Which is likely to be the most important contribution of genetic engineering to the practice of selective breeding?
making pets that are more docile
producing plants that grow same-sized fruit
reducing genetic diversity to make harvesting easier
developing crops that are more resistant to attack by pests

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

The tubes transporting minerals and water upward are called ?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.