Limiting factors of an ecosystem include disease, severe climate and weather changes, predator-prey relationships, commercial development, environmental pollution and more. An excess or depletion of any one of these limiting factors can degrade and even destroy a habitat.
The contractions of the heart is what creates out blood to pulse through out body and is the basis of our blood pressure; which means this statement is TRUE.
The systolic number (top) of the blood pressure is our heart physically pushing the blood out of the heart and to the rest of the body.
The diastolic number (bottom) of the blood pressure our heart at rest when it has just finished with one pump.
Answer:
everything about cells
Explanation:
you told me to tell you that, and this answer is reasonable
but if you want you can write everything about cells on your test or homework and say you were too tired, sleepy, exhausted, and utterly brainwrecked.
Answer:
respiration, waste production, food intake, cells, breathing
