<span>D. A theory is backed up by repeated observations and tests.</span>
Answer:
Okay, this one is pretty in-depth, but it's an example none the less.
Explanation:
Take bees, plants, deer, and wolves. All of which are technically species. One is a producer, and three of them are consumers. Bees pollinate plants. The bees now have their food, and the plants are reproducing. The plants are food for the deer. The deer are eating, surviving, and reproducing. The deer are then eaten by the wolves. There ya go. Hope this helps.
Cell mutation could be a possible option
It tends to move away from the area where it is more concentrated. Hope this helps.
Answer:
all of them would be good strategies
Explanation:
