Answer:
Deoxyribose and phosphate
Explanation:
The other molecule of the sides that lies in between sugar are deoxyribose and phosphate. The sugar has the nitrogenous based molecule attached to it.
Answer:
Cell is the structural and functional unit of life.
Explanation:
The organisms are classified on the different characteristics basis on the similarities and differences among the organisms. On the cellular basis two main types of organism are unicellular organism and multi cellular organism.
The cell theory of the life was given by Schleiden and Schwann. The cell acts as the basic unit of life as all living organisms are made of the cell. The cell combine together to form tissue, tissue to form organs and organ system as given in the example of the cat.
Geotropism allows plants to correctly orient themselves for growth. The roots exhibit positive geotropism and grow towards the earth. The shoot shows negative geotropism by growing away from the earth. Phototropism occurs when plants move towards or away from sunlight.
The correct option is A.
A density independent factor refer to a weather or climate condition, which exert its influence on a population size without regard for the size of the population and its density. Limiting factor refers to any factor that put a limitation on the growth, abundance or distribution of a population. In the question given above, the Hurricane Katrina is a density independent factor because the hazardous event affected all the people that are resident in the affected areas.
Answer:
Explanation:
It may seem like predation is not an example of symbiosis because only one organism survives the encounter. However, without predation, other species would become too numerous and resources would become sources.