Mammals did not descend directly from dinosaurs, but mammals embryos have placodes. Use the info about scales and feathers to explain why mammal embryos and dinosaur embyros each have placodes.

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?