Answer:
divergent plate boundary
A rift valley is formed on a divergent plate boundary, a crustal extension or spreading apart of the surface, which is subsequently further deepened by the forces of erosion.
Explanation:
Answer:
Option A) Simple Prokaryotes.
Explanation:
- The first life that existed on Earth was the single-celled microbes who lack a well defined nucleus and are known as Prokaryotes
- They existed on Earth for almost four billion years ago.
- In Prokaryotes "Pro" means before and "Karyon" means nucleus which means they lacked nucleus and many other cell organelles that complex structures have.
- They are single celled organism adaptive of living in earth older environment.
Result: Simple Prokaryotes was the first life on earth.
Answer:
hox genes are a subset of regulatory genes that encode transcription factors and they are important for embryonic development. they are activated by a cascade of regulatory genes and the proteins encoded by the early genes regulate expressions of later genes
Explanation:
observations and questions; the corn plants grew fungi and when they were pout in shade the fungi died off the plant.
experiement: she put plants in the sun and some in shade to compare how the fungi grew differently.
further observations: the fungi died in the shade and the ones in the sun did not.
conclusion; altogheter the plants in the shade did better because the fungi kept dying off the plant.
hope that helps.
-faith