Answer and Explanation:
1. passive natural immunity
2. decrease
3. passive artificial immunity
4. His body contains antibodies from his previous exposure, and his body was able to quickly fight off the infection
5. active natural immunity
6. B cells
7. Neutrophils
Answer:
They are necessary for co-ordination.
Explanation:
The both systems brings about co-ordination, thought there are some basic differences between them. Many organs in an animals system have organs to carry out activities like locomotion, digestion, respiration and excretion. The activities of each organ system must be co-ordinated with those of other systems; and with conditions in the external and internal environments of the animal.
Unlike the endocrine system, the nervous system works rapidly. Messages are carried mainly as electric impulses along nerves triggering immediate response from target organs.
The hypothalamus is the important link between these two systems.
C ) as an immediate change grasshopper will start decreasing thus population will go down !!
so go with C !!
Pesticides<span> can travel great distances through the </span>environment. When sprayed on crops or in gardens,pesticides<span> can be blown by the wind to other areas. They can also flow with rain water into nearby streams or can seep through the soil into ground water. ... Selective </span>pesticides<span> are toxic only to the target pests.</span>