A chemical substance that an organism requires to live. a nutrient that is scarce or cycles slowly through an ecosystem. ensures that nutrients will be circulated throughout the biosphere.
Blood flow will increase as blood vessels expand.
Answer:
We call such tumors benign; an example is warts. ... keep benign tumor cells, like normal cells, localized to appropriate tissues. ... instead, they invade surrounding tissues, get into ... Thus the major characteristics that differentiate metastatic (or malignant) ...
Explanation:
