I don’t know the answer so I need help, yeah, I’m confuse like you

26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?