Answer:
Bacteria that entered an organism body can cause mutations by altering the gene
The temperature can affect the animals and plants because if it gets to hot or to cold and the animals are not used the the temp it can kill the plants and animals. The amount of precipitation can affect the plants and animals by giving the plants more water and the animals more water and food as well
The oceans, lower atmosphere, and continents are parts of the biosphere.
The biosphere is composed of the parts of planet Earth where life exists and it is the total of all the ecosystems. The biosphere along with lithosphere (rock), hydrosphere (water) and atmosphere (air) are the four layers that surround the earth. The biosphere covers a wide area from the deepest root systems of trees, to rainforest, to the ocean depth and high mountaintops. The biosphere contains living organisms and nonliving things from which they obtain energy and nutrients.