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.
Pond Ecosystem Animals. An ecosystem is a formed due to the interaction between the biotic components of the environment like plants, animals with the abiotic components such as water, air, and soil. A pond ecosystem is a fresh water ecosystem. A pond is a shallow water body around 10 to 15 feet deep. Here the sunlight is able to reach the bottom which helps in growth of plants ate the base of the pond. Pond ecosystem animals are microorganisms; zooplanktons, crustaceans, insects, beetles, fishes, ducks and snakes generally inhabit ponds.