I think its D. but im not sure.. i might be wrong
Answer:
cilium: a short microscopic hairlike vibrating structure found in large numbers on the surface of certain cells, either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion
Explanation:
a cilia is the plural form of cilium
Human are called heterotrophs because they can not prepare their own food from simple carbons sources but obtain ready made food from other organisms like plants etc.
Science can be applied to many things the earth around us. Maybe even technology for example self-driving cars is a part of science!
Hiya,
Not sure how to answer this! Perhaps there is an image of the question or a lab you can attach to your question/comment so I can help you out?
Thanks.
