In Grass Leaves, the Midvein and Other Large Longitudinal Strands

question 66

Multiple Choice

In grass leaves, the midvein and other large longitudinal strands arise at the _____ of the primordium and develop _____.

• A)tip; downward
• B)tip; both upward and downward
• C)base; both upward and downward
• D)base; upward
• E)base; downward

Analyze the necessity of clear, certain terms in contracts and the role of agreement in contract formation.

Understand the basic concepts of probability and how it applies to investment decisions.

Learn how to calculate expected values and understand their significance in economic decisions.

Understand the concept of variance and standard deviation as measures of risk.

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Definitions:

Radial Symmetry

A body plan in which any section through the mouth and down the length of the body divides the body into similar halves. Jellyfish and other cnidarians have radial symmetry. Compare with bilateral symmetry.

Protostomes

A group within the animal kingdom that includes organisms in which the mouth develops from the primary embryonic opening.

Radial Cleavage

A type of embryonic development in deuterostomes where the planes of cell division are either parallel or perpendicular to the vertical axis of the embryo, resulting in the cells being positioned directly above or beside each other.

Cleavage

Series of mitotic cell divisions, without growth, that converts the zygote to a multicellular blastula.