How are arthropods able to move despite having a hard exoskeleton? the exoskeleton is softer at the joints so the legs can be bent. they shed the exoskeleton and move around until it regrows. the exoskeleton does not entirely cover the legs.

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?