Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Explanation:
 
        
             
        
        
        
There are several ways;
The Skeletal system protects for example the heart and several aspects of large vasculature. The skeleton also has the means to produce blood cells in the marrow of some of the bones. 
        
             
        
        
        
Answer:
Biogeochemical cycle is one of the several natural cycles, in which conserved matter moves through biotic and abiotic parts of a ecosystem. In biology, conserved matter refers to the finite amount of matter, in the forms of atoms, that present within the earth.
Explanation: It is true that the chemical is one of the natural cycles within earth
 
        
             
        
        
        
Answer:
Answer ...... would have photosynthetic pigments.
Explanation:
In a short explanation, the collective term for the stack of thylakoids within the chloroplast of a plant cells is known as GRANUM.
Note that , chloroplasts are made up of the chlorophyll, which are the green pigments responsible for photosynthesis.
 
        
             
        
        
        
The correct answer is Soluble phosphorous
Soluble phosphorus is a measure of orthophosphate (PO4), the
soluble and inorganic filterable fraction of phosphorus, which is the most
stable type of phosphate and it is the form directly used up by the plant
cells.