Primary Research Includes Which of the Following

question 2

Multiple Choice

Primary research includes which of the following?

• A) research you obtain directly from the source
• B) research you find in the library
• C) research you find at Internet sources
• D) research you find in a textbook
• E) all of the above

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Definitions:

Palisade Mesophyll

A layer of closely packed photosynthetic cells under the epidermis in leaves, responsible for the absorption of light necessary for photosynthesis.

Spongy Mesophyll

A layer of loosely arranged cells in a plant leaf, facilitating gas exchange and containing chloroplasts for photosynthesis.

Cuticle

A protective and waxy or hard layer covering the epidermis of plants, insects, and some other organisms.

Trichomes

Small hairs or other outgrowths from the epidermis of plants, often serving as defense against herbivores and reducing water loss.