Euglena are a unicellular organism. They are classified into the Kingdom Protista. They are then further classified into the Phylum<span> Euglenophyta. All euglena can make their own food by photosynthesis.</span>
What is cell specialization?
Answer: cell specialization is an adaptation to do a particular job in a cell
<span>In chemistry, </span>activation energy<span> is a term introduced in 1889 by the Swedish scientist Svante Arrhenius to describe the minimum </span>energy<span> which must be available to a chemical system with potential reactants to result in a chemical reaction. That is the definition of it, but I have no idea what examples you want me to see are called energy of activation</span>
Answer:
It is an unconcious process
Explanation:
Homeostasis is when the body is made sure to have a constant environment inside so that the body can work at it's optimum conditions .... constant temperature, constant pH etc ... you do sweat when you feel hot but you can't control it... your mind just tells it to... vadodilation and vasoconstriction for a constant temperature occurs for a constant temperature as well(when vessels dilate and constrict), your mind allows the vessels to do so without you thinking about it.
A) diffusion is the answer to yo question