Answer:
Matter in an ecosystem:
- must be continuously replenished
- is recycled and reused
- is returned to the earth by decomposers
The atmosphere is a closed system.
False
There are five classes of antibody.
1) <span>IgA (immunoglobin A)
2) IgD (immunoglobin D)
3) IgE (immunoglobin E)
4) IgG (immunoglobin G)
<span>5) IgM (immunoglobin M)
They form Y shaped antibodies. The crystallized fragment is the stalk of the Y shaped antibodies. The bond formed by this stalk will determine the form of the antibody. One Y is called monomer, two connected Ys are called dimers, and 5 connected Ys are called pentamers.</span></span>
Answer:
The bacteria are autotrophs that oxidize hydrogen sulfide in vent water to, Other processes seem to take place very slowly at vents
Explanation: