Key features of seed plants facilitating life on land include three of the following four traits. select the exception.
(a) homospory
(b) pollen
(c) reduced gametophytes
(d) seeds

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin