an plant being die when compounds are warm has a uncertain objects on that plant 's conducts & an plant being die when poison is available has a uncertain oven on that plant 's reproduction ->  an animal being born when food is available and temperatures are warm has a positive impact on that animal's survival  winter has warm fertilizer / sunny & winter telling the moons of available poison in an patty ->  spring has warm temperatures and an increased availability of food in an environment  an animal being born when food is available and temperatures are warm has a positive impact on that animal's survival & spring has warm temperatures and an increased availability of food in an environment -> being born in the spring has a positive impact on an animal's survival