All birds have an opening known as a cloaca that serves to remove the wastes produced by the digestive and urinary tracts. many bird species also use the cloaca during reproduction. in this process, male birds release sperm directly into the cloaca of a female bird. the sperm travel up the oviduct of the female bird and to the ovum, which it can penetrate and fertilize. the paragraph above describes
Answers: 1
Biology, 22.06.2019 05:00, emmalucilleblaha1995
Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation
Answers: 1
Biology, 22.06.2019 07:30, ebookhardt917
The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
Answers: 1
Biology, 22.06.2019 18:30, Demondevilg
Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports
Answers: 1
All birds have an opening known as a cloaca that serves to remove the wastes produced by the digesti...
Mathematics, 28.06.2021 20:40
Mathematics, 28.06.2021 20:40
Mathematics, 28.06.2021 20:40
Social Studies, 28.06.2021 20:40