A hypothesis is a suggested explanation for an observable problem OR a reasoned prediction of a possible causal correlation among multiple problems. A theory is a tested and well substantiated and unifying explanation for a set of verified and proven factors.
The answer is macrophages. They either actively invade these leukocytes or are phagocytosed, divide in the cells and cause lysis. The promastigotes that invade these leucocytes are transformed into amastigotes in the macrophages. These amastigotes continue attacking other healthy macrophages while others migrate to the mid gut.
I just woke him crying and he said I can’t he just got out here and I don’t know why I was just talking abt it and he was just trying so hard to sleep in his
The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients. <span>Water is actually less dense when frozen, which is why ice cubes and ice bergs all float. This is also why you can ice skate on a lake if the ice gets thick enough on the surface. Many organisms that live in freezing lakes have special adaptations which help them survive.</span>
