Which of these changes take place during labor? (i) rhythmic contractions of the uterus wall
(ii) opening of cervix
(iii) bag of liquid breaks
(iv) widening of the hips ​

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Is there any solid scientific evidence that humans have been cloned?

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent