Biology: The Dynamic Science
Biology: The Dynamic Science
4th Edition
ISBN: 9781337246422
Author: Peter J. Russell; Paul E. Hertz; Beverly McMillan
Publisher: Cengage Learning US
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Chapter 31, Problem 15TYK
Summary Introduction

To review:

The experimental design to test the hypothesis that the cuticle of parasitic nematodes provides the protection from the acids and enzymes when reach in the digestive system of the host.

Introduction:

The nematodes are enclosed in an exoskeleton which is known as cuticle. The presence of cuticle is the structural key for the success and diversity of nematode species. The outermost layer of the cells in nematodes is covered from a complex extracellular matrix (cuticle). Cuticle plays an important role in maintaining the body shape, movement and functions as the primary interface with the outer environment. The cuticle helps in protection from the host digestive system.

Summary Introduction

To review:

The detailed plan for altering the plant’s growth and reproductive characteristics.

Introduction:

Plant breeders play key role by focusing on desirable traits with great potential to increase plant yield. Hence, new technologies must be developed to accelerate breeding through improving genotyping and phenotyping methods and by increasing the genetic diversity in breeding germplasm. Marker Assisted Selection (MAS) is a marker technology used for specific phenotype chromosomal banding, a particular DNA or RNA motif, or a chemical tag that associates with the desired trait.

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1.) Community Diversity: The brown and orange line represent two different plant communities. a. Which color represents the community with a higher species richness? b. Which color represents the community with a higher species evenness? Relative abundance 0.1 0.04 0.001 2 4 6 8 10 12 14 16 18 20 22 24 Rank abundance c. What is the maximum value of the Simpson's diversity index (remember, Simpson's index is D = p², Simpson's diversity index is 1-D)? d. If the Simpson's diversity index equals 1, what does that mean about the number of species and their relative abundance within community being assessed?
1.) Community Diversity: The brown and orange line represent two different plant communities. a. Which color represents the community with a higher species richness? b. Which color represents the community with a higher species evenness? Relative abundance 0.1 0.04 0.001 2 4 6 8 10 12 14 16 18 20 22 24 Rank abundance c. What is the maximum value of the Simpson's diversity index (remember, Simpson's index is D = p², Simpson's diversity index is 1-D)? d. If the Simpson's diversity index equals 1, what does that mean about the number of species and their relative abundance within community being assessed?
what measures can a mother to take to improve the produce of her to milk to her newborn baby ?
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