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. A unicellular organism is a living thing that is just one cell. There are different types of unicellular organism, including: 1  bacteria. 2  protozoa.3  unicellular fungi.rotozoa are unicellular organisms that live in water or in damp places. The amoeba is an example of one. Although it is just one cell, it has adaptations that let it behave a bit like an animal: 1  it produces pseudopodia (âfalse feetâ) that let it move about. 2  its pseudopodia can surround food and take it inside the cell.