They are the link between the sun's energy and the organisms that cannot manufacture their own food. Without an abundant amount of autotrophs<span> we would be severely lacking in atmospheric oxygen and food.</span>
Pesticides and fertilizers can harm public health and the environment. Many of pesticides contain toxic chemicals that can cause negative health effects such as neurological and cancer and reproductive disorders. Also pesticides can migrate into lakes and streams as they are swept away when it rains. On the other hand fertilizers do cause ground water contamination e.g Nitrogen fertilizers break down into nitrates and travel easily through the soil because of their solubility. this makes them stay in ground water for decades the addition of more nitrogen over the years has accumulative effect.
<em>An answer choice that is not an example of an organism responding to a stimulus would be;</em>
B) squinting your eyes when walking into bright sunlight
<u>Squinting your eyes in bright sunlight is an involuntary action, and does not require any kind of stimulus. </u>
They would cut down trees which when cut down release. This would then affect the air quality as trees absorb the carbon dioxide in the air. It is also destroying animals habitat
D. Think about other animals... even when they have opposable thumbs, they can't move and hold at the same time. We can RUN and hold food or weapons at the same time.
