During DNA replication, each of the two new double strands of DNA consist of one strand, or half, of the original DNA and the other strand is newly synthesized (made) DNA. Therefore, we say that DNA replication is

The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

In the water cycle , when does water undergo a chemical change