What are the parts or process that can describe an ecosystem?

a. chemical changes and flow of energy

b. chemical changes and flow of water

c. physical changes and flow of energy

d. physical changes and flow of water

Why is the mixing of fresh water and salt water in the bay important?

Water makes up about what percentage of most organisms? A. 50% B. 70% C. 10% D. 30%

How do glucose and ATP energy differ

What distinguishes cellular from pulmonary respiration is: emt?

After a direct blow to the eyeball with a soccer ball, your athlete complains of double vision and numbness in her cheek. you also notice that she has noticeable swelling and a downward displacement of the injured eye. what injury might you suspect?

Describe why a fresh carrot or celery will produce a "snap" sound when you break it. A vegetable that is not fresh will not make this sound and may bend. Explain this phenomenon.

How many chromosomes does a human skin cell have?

Suppose you had a hypothesis you believed to be correct. What should you do to make it become a theory?

Which part of the scientific cycle does the graph directly represents

plants contain lignified conducting cells.