An egg cell has 23 chromosomes and a sperm has 23 chromosomes. Once the egg and sperm
fertilize, how many chromosomes are there total in the zygote?

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Select the correct answer from each drop-down menu proteins are

During binary fission, what events must occur before the cell splits into two new cells?