The Gravitational Field Best Suited for Humans Living in an Outer

question 11

Multiple Choice

The gravitational field best suited for humans living in an outer space colony is

• A)zero.
• B)g)
• C)one-quarter g.
• D)one-half g.
• E)three-quarters g.

---

Definitions:

Callus

Undifferentiated tissue formed on an explant (excised tissue or organ) in plant tissue culture.

Trichomes

Small hair-like outgrowths on plants that serve various functions including protection against herbivores and minimizing water loss.

Parenchyma

A type of plant tissue composed of living cells that are often spacious and used for functions such as photosynthesis, storage, and tissue repair.

Ground Tissue

A type of plant tissue that fills the interior of a plant, consisting of parenchyma, collenchyma, and sclerenchyma cells, and is responsible for photosynthesis, storage, and support.