Which is NOT a way to prevent the spread of viruses?

a. using vaccines against the viruses

b. using antibiotics

C. using barriers

d. practicing good hygiene

How are the cells in multicellular organisms different from those in single-celled organisms?

Howmany chromosomes are in a chicken zygote How many chromosomes does a chicken zygote have

What are the two sources of energy that drive earth processes?

What are the two components of science?

Amino acids are joined together by which kind of bond?

What type of animal do most scientists believe are the ancestors of the modern day whale

How is blood routed through the small intestine? which class of nutrients enters the body via blood?

Alpine Marmots are a type of rodent that have the ability to decrease their body activity to conserve food. These marmots most likely hibernate during the cold winter months. build fires on cold winter nights.

Do fly's eat anything?

Examples of temporary change