The first one, Added removed or changed. Mutation as in anything that would cause the slightest change.
Answer:
I'm certain it's the leopard is more closely related to the tiger than to the snow leopard.
Explanation:
The spines of the cactus have several functions, which are the following:
To defend them from possible predators: inside the body of the plants there is a great deal of water; if herbivores could access it, these plants would not survive.
To provide them with shade: it is true that not much, but it is enough so that the loss of water by evaporation is minimal.
Reflect sunlight: many species have white spines.
enzyme A becomes less effective earlier than enzyme B
and enzyme b stays effective at higher temperatures than enzyme a
