Biology Now Study Set 1
Quiz 11: Evidence for Evolution
Which of the Following Embryos Will Look Similar to Human
Which of the following embryos will look similar to human embryos for the longest? A) bird B) cat C) fish D) reptile
Explore answers and all related questions
Why do human embryos develop gill slits? A) The gill slits become the lungs. B) The ancestor of humans had gills. C) This helps the embryo breathe in the womb. D) This is an unexplained mutation in humans that does not exist in other animals.
Some whales have teeth as embryos but do not as adults.What is the most likely explanation of this phenomenon? A) Whales are in the process of evolving teeth. B) Whale teeth appear as the result of a frequently occurring mutation. C) Whales evolved from organisms that have teeth. D) The allele for teeth is unusually common in some whale populations.
Tails are found A) in all embryos. B) only in adults and begin forming late in development. C) only in embryos of organisms that will have a tail as adults. D) in embryos of a wide variety of organisms, some of which have a tail as adults and others do not.
Explore all questions
How it work
Terms And Conditions
© 2020 QuizPlus. All Right Reserved