Donkeys and horses can have a mule together, but the mule is unable to have offspring of its own. That is why horses and donkeys are considered to be different species - their offspring is infertile
<u><em>Ecology</em></u><em> is the study of interactions among organisms and their environment including its living and nonliving parts.</em>
Answer: A. Ecology
Explanation:
Ecology is the investigation of how living beings associate with each other and with their physical condition. The conveyance and bounty of living beings on Earth is moulded by both biotic, living-life form related, and abiotic, nonliving or physical, factors.
Ecology is learned at numerous levels, including creature, populace, network, biological system, and biosphere. Water accessibility is a case of an abiotic, or nonliving, factor that can influence dispersion of creatures.
Accessibility of supplements given by different life forms is a case of a biotic, living-creature related, factor that can impact appropriation.
I think the answer is F<span>ossil shells on top of mountains</span>