Answer:
Hello
To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce. A single-celled, or unicellular, organism does everything you would expect a living thing to do.
Answer:Shrinking Blood vassels
Explanation:
One very specific way that humans caused changes in the atmospheric CO2 levels is the fossil fuels that the humans are burning is causing an increase in the CO2 levels. Other ways humans are doing this is by driving cars, deforestation, and an increased industrialization that releases CO2 into the atmosphere.
Answer:
They may be soggy and stinky, but they provide critical habitat for tons of plants and animals, help clean our water, control floods, and provide food for humans.
