What is the main function of the immune system?
a. to recognize and attack disease-causing organisms

b. to stimulate the transmission of disease-fighting enzymes

c. to alert other systems in the body of foreign cells

d. to maintain a constant flow of blood to wounds

Aphids are tiny insects that feed on plants. ladybugs are to plants because they eat aphids. which type of organism are aphids in this scenario? co decomposers predators prey producers

The instructions for making proteins come originally from

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells