Pls can someone tell me how many times the human heart beats daily.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

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

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.