Answer:
Barbara investigating that which food the ants like the most in order to use this food for killing the ants and removes them from a specific area.
Explanation: Ants are insects which sometimes act as pest because it lives in holes in the house and act as a carrier of many harmful diseases so in order to control the spreading of the disease we have to control the population of ants.
The correct answer is: d) begins later in life
Eggs or female reproductive cells are formed well before birth in a huge number (primordial oocytes). But, the number of oocyte decreases after birth constantly (there are 2 million oocytes at birth and 40,000 of them in puberty). At menopause, no egg cells are left.
On the other hand, the first sperms are formed only from puberty, but the production of those cells never stops.
DNA analysis helps scientists classify similar animals by the evidence of relatedness in general the more derived genetic characters to organisms share the more closely repeated they are...In other words “DNA helps scientists by comparing the similarities in each animal/person’s DNA.
