I believe its A. I may be wrong.
nebular hypothesis
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across. Several stars, including the Sun, formed within the collapsing cloud.
Answer:
Animalia - multicellular, eukaryotic
Plantae - vacuolate eukaryotic cells, multicellular
Protista - unicellular and multicellular, eukaryotic
Fungi - decomposers, non-motile
Eubacteria - unicellular, prokaryotic
Archaebacteria - no peptidoglycan, glycoproteins and polysaccharides in cell walls.
Hope that helps. :)
Answer:
2, only the moose with the largest feet
Explanation:
If the moose species developed larger feet, then the cause of it has to be for their survival. So the ecosystem they lived in had to make it so the larger feet were helpful. That crosses out 1 and 3. The problem said nothing about the moose having smaller feet so, the answer has to be 2.
I hope this helps :)