B because i said and it’s the right answer
<span>to withstand the winds placed upon them by an earthquake ect. this is from what I've learned in simplest form</span>
Living systems also follow the law of conservation of energy. Energy changes form as it flows through an ecosystem, but the total amount of energy in the system remains constant. Food chains show how energy flows in an ecosystem. ... Thus producers convert light energy from the Sun to the chemical energy in carbohydrates.
Animals are affected by Natural Selection because Inherited characteristics affect their likelihood of survival and reproduction.
Answer:
A. Protein Spikes
Explanation:
A viruses are defined as the quintessential parasites in the living world. They are a chain of the nucleic acids that lives in a host cell. Without the host cell, all the viruses cannot carry out their life sustaining activities or functions. They are always housed in a protein layer or a protein coat. All the viruses contains the RNA or the DNA. The protein spikes which is on the outside of a virus are "sticky" and they are attracted to the specific molecules of the outside of an animal cells.