Food, shelter, water, are some things a squirrel will need to survive
Your correct answer would be B hope this helps
Answer:
Bacteria
Explanation:
Bacteria have no true nucleus because it's a prokaryote. It couldn't have been a virus because all naturally occurring viruses are pathogenic unless treated by radiation.
We have two types of bacteria,
- Pathogenic
- Commensals
Pathogenic bacteria will definitely cause disease. Commensals, however, have don't harm us and have the ability to help us.
Eg: Flora (bacteria) in our intestines produce vitamin K and most of the vitamin B complex. They also compete with the pathogenic bacteria that you might've ingested and don't allow them to increase to the number that can cause disease.
Answer:
Algae is a primary producer
Explanation:
they use inorganic ions, co2, h2o and solar energy the complex organic molecules are produced. They release oxygen in this process. Algae, cyanobacteria and plants indirectly produce all food and all oxygen for all living organisms on our planet