cells in a lymph node that engulf and destroy damaged cells, foreign substances, and cellular debris are

What must be done to breed dogs for a partical trait

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?