Suggest a Survival Advantage for Cyanobacterial Filaments Compared with the Single

question 44

Multiple Choice

Suggest a survival advantage for cyanobacterial filaments compared with the single celled growth pattern seen for cultures such as E.coli: (Select all that apply)

• A)nutrients may be shared down the length of a filament
• B)nutrient loss may occur along the filament length
• C)intercellular communication may allow all cells to synthesize key enzymes
• D)intercellular communication leads to differentiation of cell types
• E)none is a possible advantage

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Definitions:

Brain Size

A measure of the volume or mass of the brain, often related to body size, which varies significantly among different species and can correlate with cognitive abilities.

Foramen Magnum

is an opening in the skull through which the spinal cord passes to connect with the brain, crucial for vertebrate skeletal structure.

Human Skull

The bony structure that forms the head in the human skeleton, encapsulating the brain and supporting the structures of the face.

Bipedalism

Is the ability to walk upright on two legs, characteristic of humans and their ancestors.