Identify the immune response described as nonspecific or specific.
uses memory cells to fight off an infection from a
pathogen
evident by a sneeze, cough, fever, or other physical
symptom
recognizes antigens present on pathogens and attacks
the pathogen with antibodies
builds immunity to specific diseases that had
previously entered the body

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Animals that have thick fur and ae able to store large amounts of body fat live where ?