Toucans eat fruits that grow high in trees. what feature of the toucan's body structure might be an adaptation? explain

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria