A: Effexor (venlafaxine) is an antidepressant in the class of drugs called selective norepinephrine reuptake inhibitors (SNRIs). SNRIs affect chemicals in the brain that may become unbalanced and cause depression. It is used to treat major depressive disorder, anxiety, and panic disorder.: Weight gain is a possible side effect of Effexor, occurring in at least 1 percent of patients taking the medication. Weight gain is a common side effect of tamoxifen, occurring in up to 9 percent of patients taking the medication.
Common Freshwater Organisms. Mosquito fish. Fish Up to 2 1/2. They live in ditches, ponds, and lakes eating mosquito larvae and other insects. Mosquito fish give birth to live young. Tadpole. Amphibian. 1/8 to 3. Tadpoles are young frogs and toads.
unicellular organisms are the organisms which have one cell  it is also known as a single-celled organism.  example: Amoeba, Bacteria, Euglena, Paramecium,  Cyanobacteria e â¦ tc.    Multicellular organisms are organisms that consist of more  than one cell. example man, bird, panda, parrot etc.