Answer:
1 living organisms are composed of one or more cells.
2 The cell is the basic unit of structure and organization in organisms.
3 Cells arise from pre-existing cells.
There are both physical and biological limiting factors found in nature.
-Physical factors (abiotic factors) include temperature, water availability, oxygen, salinity, light, food and nutrients.
-Biological factors (biotic factors) involve interactions between organisms such as predation, competition, parasitism and
herbivory.
Answer:
Structure and function of the cell membrane
The cell membrane is semipermeable (or selectively permeable). ... The unique structure of the cell membrane allows small substances (like oxygen or carbon dioxide) to easily pass through.
Explanation:
Feeding relationships in which organisms feed on a variety of organisms is called a food web.
The answer is the third option. she could still get hypertension if she becomes a heavy smoker because of the chemicals in tobacco can cause your artery walls to narrow increasing blood pressure
