Which statement best describes the central nervous system? It senses stimuli and carries out a reaction.
It secretes hormones.
It is made up of all nerve cells.
It is made up of the brain and the spinal cord.

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 ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell

9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)