The sled with a rough metal bottom would take more force to move over ice, because the rough surface would increase friction and the force needed.
Answer:
D. It has a strong influence on the ecosystem.A keystone species is a non-abundant species in an ecosystem. This species is important for the survival of the ...
Explanation:
<span>The graph portrays
predation. The relationship shows that an
increase in the population of zebra
results in a subsequent increase in the lion population, and vice versa. This,
therefore, means that the lion population
is dependent on the zebra population due to an interaction (predation). The lion population
will always be lower than that of the zebra because of the inefficiencies of energy transfer up the trophic levels (exhibited by a
typical energy pyramid). </span>
Answer:
your answer it is help to understand this question
The correct answer should be The ability to reproduce only within a species.