A virus is not a bacteria, but it is caused by a bacteria. A virus causes the immune system to weaken.
Because it's vital to the survival of all species, not just human, that we have resources such as food and water. Also that those resources be clean and healthy. We also need to manage resources such as oil to make sure there are fewer wars like the ones happening in the Middle East. If you need anything else just message me.
C... an animal that is faster than the others will have way better chances of survival. Thus, the animal with the mutation will pass on the trait more
Add starch indicator solution to the water in the beaker. If the indicator solution changes color than starch is present.
There are two types of photoreceptors in the human retina, rods and cones.
