Answer: If the carbon bonds are on a different charge or one is not charged evenly it will break or maybe misshape the membrane.
Explanation:
The immune system. It produces antibodies which fight the bacteria or virus that caused the infection
Answer:
I think its B
Explanation:
I would expect more insects than grains in the desert...
Answer:-if you "snip" below a node, a clade falls off
Explanation:

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.