Biology, 31.01.2020 19:58 prettygirl321490
Birds and reptiles are both vertebrates that lay eggs but birds have beaks and reptiles have teeth. occasionally birds have teeth but only in the embryonic stage. which conclusion is best supported by the presence of teeth in bird embryos?
a. ancestors of reptiles had beaks similar to those of birds.
b. birds and reptiles eat similar types of food.
c. birds and reptiles share a common ancestor.
d. modern reptiles are the ancestors of modern birds.
Answers: 2
Biology, 21.06.2019 18:30
How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.
Answers: 1
Biology, 22.06.2019 12:10
What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?
Answers: 1
Biology, 22.06.2019 16:00
Which statement describes the punctuated equilibrium theory?
Answers: 1
Biology, 22.06.2019 17:40
Which is abiotic? a. tree sap b. insect c. sunlight d. wood table
Answers: 2
Birds and reptiles are both vertebrates that lay eggs but birds have beaks and reptiles have teeth....
Mathematics, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
History, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
Medicine, 04.03.2021 20:10
Geography, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
English, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
Mathematics, 04.03.2021 20:10
English, 04.03.2021 20:10
Social Studies, 04.03.2021 20:10