17.All reptiles reproduce by a.) internal fertilization, and most are oviparous.
b.) internal fertilization, and most are viviparous.
c.) external fertilization, and most are viviparous.
d.) external fertilization, and all are ovoviviparous.

Natural selection acts on populations through a specific trait. which statement must be true about that trait? question 6 options: the trait is passed on genetically to the next generation. the trait has little impact on survival. the trait is the same for all organisms. the trait is resistant to mutations.

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi

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