If adoorbell converts electrical energy into a chime, then what does a doorbell convert electrical energy into? Answer choices: - light - heat - energy - a shockwave - organ - messengers - waves - a chime
a chime

If polyps usually reproduce several different ways, then polyps usually reproduce how? Answer choices: - several different ways - sharing seeds - during the day - sharing sperm - spread flower seeds - photosynthesis - Absorb light - sexually
several different ways

If seasons cause change to ecosystems, then what is something that changes an ecosystem? Answer choices: - seasons - herbicide - animals - Pesticides - flooding - wind - influenza - climate
seasons