Independent- Amount of sun/water (this one doesn't matter you can make something up)
Dependent- # of flowers
Control- Time
Geothermal energy maybe is their answer choices
The correct answer is that it produces antibodies against the sensitizing antigen.
Plasma cells are formed in the bone marrow, the B cells divide into plasma cells, which generate molecules of antibody. Once discharged into the lymph and blood, these antibody molecules combine with the target antigen, that is, foreign substance and starts its destruction or neutralization.
Answer:
mark me as brainliest
Explanation:
It helps to ascertain the number of living beings on Earth. More than one million of species of plants and animals have been discovered and classified so far. It aims to classify the living organisms. Millions of organisms are classified scientifically in categories, which helps to have a better understanding
Answer:Because of where they are from.
Explanation:
Geographic, or physical, barriers result in geographic isolation
