Put these key elements of natural selection in order from 1-4: ___ This leads to competition of resources
___ Organisms that are best adapted to their environment survive & reproduce.
___ There is an overproduction of offspring
___ There is variation in a population (due to mutations)

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

What does the positioning of transcription factors determine?

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii