What is the correct order of the following terms, from smallest to largest?

a. cells, organelles, organ system, community, ecosystems

b. molecules, organism, population, communities, biosphere

c. molecules, cells, tissues, ecosystems, communities

d. organelles, cells, population, biosphere, ecosystems

e. cells, organs, population, ecosystems, communities'

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

What is one function of the embedded proteins