Using his antennae, the male moth finds female moths by following a trail of airborne chemicals, called pheromones, upwind to the female producing them. This is an example of how living things...

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?