If vegetation helps animals survive, then what helps animals survive? Answer choices: - vegetation - rivers - valleys - traits - Pituitary gland - kinetic energy - hibernation - rocks
vegetation

If plants use a polysaccharide for their cell walls, then what do plants build their cell walls from? Answer choices: - By wind and rain - Deposition - Deposition. - algae - Chemical energy - plant wall - plant material - polysaccharides
polysaccharides

If an egg requires incubation to survive, then an egg requires _ to survive? Answer choices: - incubation - condensation - Energy. - heat energy - nutrients - energy - moisture - oxygen
incubation