Why might a candle burn longer in the presence of a plant?

What does Darwin's theory suggest about living and extinct species? How did this tie with Darwin's ideas about common descent?

What is the significance of the similar number and arrangement of bones in a human arm and a bat wing?

From where dothe kenetic tiles collect energy

A malaria outbreak causing allele frequencies to change is an example of: nonrandom mating. the bottleneck effect. genetic drift. natural selection. differential migration.

How are seeds different from spores? A) Seeds have endosperm which provides nourishment for a new plant, but spores do not have any stored food supplies? B) Spores involve eggs and sperm cells, while seeds do not.

What effect of acid rain on a ecosystem is

What is a valid reason for making efforts to maintain the biodiversity of the planet earth? A Biodiversity makes ecosystems stronger, more stable, and more resiliant to environmental change.

Justin says that venus and jupiter are similar planets in our solar system. amanda argues that the two planets are actually very different from each other. who is correct? why is that person correct?

How do pallettes aid in the healing of cuts A. Platelets become whole red blood cells to prevent further loss of blood B. platelets make blood thicker to prevent further loss of blood C.

Which list describes the path carbon dioxide takes to the nose?