Larger animals may be going into hibernation and the berries wolves eat may be out of season.
A, because plant cells do have membrane-bound nuclei. they have chloroplasts, so that isn't it. Plants don't use oxygen for photosynthesis, but carbon dioxide. The plant walls are made up of cellulose,, not lipids. It must be A.
I probably got something wrong tbh
paleontology is the study of fossils whilst archaeology is the study of human remains and artefacts