1. Which class of animal has skin with fur or hair, feeds their young milk and maintains a constant body temperature? a. Mammals b. Birds c. Reptiles d. Birds 2. Which reptiles are characterized by the presence of four-chambered Heart? a. Turtle b. Tortoise c. Lizard d. Crocodile 3. forelimbs in birds are: a. Absent b. Only hind limbs are present c. Modified into wings d. Rudimentary 4. Which animals do not belongs to class pisces? a. Sea-horse b. Shark c. Whale a. Electric ray 5. Which of following is not a fish? b. Shark c. Eel d. Electric ray e. Jelly fish​

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis

The most effective way to provide children with safety messages is to

Which of the following describes a bathypelagic zone