Natural selection occurs to give help the best survival chance to the organisms.
<h2>Answer</h2>
- Wind
- Sunlight
- Plants
- Soil
- Coal
- Minerals
- Water
- Animals

In short it's natural resources.
Answer:
I think this is 2 because there would have been bigger predators in the ocean vs. a lake
Answer:
The correct answer is : parasitism.
Explanation:
Parasitism is a symbiosis relationship in which two organism lives together but only one is benefited and other harm in any means. Toxoplasma is, in this case, parasite which is benefited while cats are host and harmed in this relationship.
Degree and chances of harm or benefit do not defines the symbiosis relationship between two organism. Cats are rarely harmed but still harmed in this relationship.
Thus, the correct answer is : parasitism.
The inflamitory response clogs up some whereever it is so the infection cannot spread.