Plants make their own food from the sun through process of photosynthesis, base on the law of conservation of energy, is this description accurate?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Imagine that you are a doctor in a maternity ward. during your last shift, 20 babies were born. 10 had blue eyes, and 10 had brown eyes. 15 had round heads, and 5 had pointed heads. what are the parents phenotypes/traits?

How are fossil fuels related to climate change