Which of the following is the earliest form of seedless vascular plant?

a. Ferns
b. Horsetails
c. Club mosses
d. Sporophylls


c. Club mosses

Club mosses are the earliest form of seedless vascular plant. They dominated the landscape of the Carboniferous period, growing into tall trees and forming large swamp forests.

Biology & Microbiology

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The amount of ATP produced during anaerobic respiration is ________ that produced during aerobic respiration, because the difference in the standard reduction potential between NADH and the final electron acceptor is ________.

A. greater than; larger B. greater than; smaller C. less than; smaller D. less than; larger

Biology & Microbiology

The main function of erythrocytes is to ____

a. carry oxygen b. form clots c. fight off infections d. produce blood cells e. secrete erythropoietin

Biology & Microbiology

In Mendel's crosses the starting plants are referred to as the P generation

1.True 2.False

Biology & Microbiology

Makes up cartilage. Cells encased in small cavities (lacunae) within jelly-like extracellular matrix.

What will be an ideal response?

Biology & Microbiology