Answer:
organisms that can't make their own food are known as heterotrophs
Answer:
It is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size.
Food chains model energy flow through an ecosystem. Producers pump energy into an ecosystem from an environmental source, and this energy is then passed from one organism to the next.
Answer:
skeletal
Explanation:
skeletal bones are involuntary
Answer:
currents
Explanation:
when trach is released in the ocean, currents move it around the ocean and over time it starts to collect in different areas.