What mineral substance will most marine organisms produce?

Me with biology endocrine system crossword also image left i need with hw

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting