The period during which the presence of stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
Answer:melanism
Explanation:albino is when an animal has no melanin, which is the chemical that causes pigment (color). Melanism is when an animal has too much melanin and is completely black. That animal is melanistic.
The overall three-dimensional structure of a polypeptide is called its tertiary structure. The tertiary structure is primarily due to interactions between the R groups of the amino acids that make up the protein.
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ANSWER:</h2>
Glycogen and triglycerides
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EXPLANATION:</h2>
Living organisms employ two main kinds of energy storage. Energy-rich molecules such as glycogen and triglycerides stock energy in the formation of covalent chemical bonds. Cells integrate such molecules and store them for the later discharge of the energy.
Answer:
The destruction of the cell by rupture of the cell wall or cell membrane.
Explanation:
Lysis refers to the breaking of the cell wall or cell membrane. Without the cell wall or cell membrane, the cell wouldn't be able to hold its structures or its shape anymore. You can think of it as a cell exploding without its cell wall or cell membrane.
