Answer:
C
Explanation:
a <u>habitat</u> is where an organism lives,and their <u>niche</u> is their way of life in that place .
Answer:
All of the above
Explanation:
Plants in artic deserts, the arctic has too little sunlight for C4 photosynthesis to occur.
Skin and Integumentary system protects by forming a selective barrier.
<u>Explanation</u>:
Multicellular organisms unlike unicellular organism have a variety of systems each having a different function. The body of multicellular organisms is covered with epidermis or skin which is known as largest organ of the body. The skin consists of many sensory receptors and protects by enclosing muscles and other body tissues. While Integumentary system is made with skin and its various appendages like hair, feathers, nails etc. with receptors and secretary pores and protects the body from pain.
Answer:
an Na+ driven synthase
Explanation:
Some organism have sodium driven synthase which actively transport the sodium ions across the cell membrane with the help of energy of electron transport chain.
In most bacteria, there are antiporters that are used to exchange sodium ions with proton which is driven by electrochemical proton potential. So these organisms converts proton motive force into sodium motive force.
In humans also there are antiporter called sodium-potassium pumps which use ATP energy to transport sodium out of the cell.
