A cluster of symptoms that regularly occur together is known as a:

Are Sarcomeres made of amino acids?

What is the purpose of transportation?

How does carbon enter water? How does aquatic plants get carbon?

If you knew the number of protons in a given atom, how would that enable you to figure out the number of electrons in the atom?

How might the role of mucous membrane in the lung be similar to the role of the membrane surrounding a normal blood cell?

Give me 3 examples of things that can change an ecosystem.

The study of all ecosystems on Earth is called

the sun's gravity also affects tides on earth. why does the moon have a larger effect on tides than the sun does

14. Why are carbohydrates and fats considered high energy foods? A. They have a lot of oxygen atoms B. They have no nitrogen in their makeup C. They have very long carbon skeletons D. They have a lot of electrons associated with hydrogen E.

Of the following lines of flowering plants, which represents the line of evolution that is most closely related to other plant ancestors? Basal Angiosperms