Different niches have many different species. The answer is A
Jupiter and Saturn are composed mostly of hydrogen and helium. Uranus and Neptune contain some of these gases, but also ices of ammonia and methane.
A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n) <u>obligate anaerobes</u>.
Thioglycolate broth would be a versatile enrichment and differential medium that is largely used to ascertain the oxygen needs of bacteria. Obligate anaerobes can grow because of the oxygen-consuming properties of sodium thioglycolate inside the medium.
A variety of oxygen concentrations are produced in the medium across its depth as a result of this and the diffusion of even more oxygen as from broth's surface.
Because oxygen would be poisonous to obligate anaerobes, they congregate near the tube's bottom where another oxygen level is lowest.
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After anaphase Telophase occur.
Explanation:
The M-phase of cell division involves two steps:
- Karyokinesis: Division of nucleus.
- Cytokinesis: Division of cytoplasm.
Karyokinesis has the folloeing steps:
- Prophase: The nuclear membrane disappears and the cromatin fiber begins to condense and form chromosome.
- Metaphase: The metaphase chromosome are well distinct and are arranged on the equilateral plane. And the kinetochore ttaches to the spindle.
- Anaphase: The spindles begin to contract and the sister chromatids begin to separate and move towards respective poles.
- Telophase: Chromatids are already at the poles and they become inconspicuos. The nuclear membrane begins to appear.
Telophase marks the end of Karyokinesis and soon the cytokinesis begins.
In plants cytokinesis occurs by cell plate formation.
In animal cell cytokinesis occurs by invagination.