The loss of native vegetation to overgrazing, overharvesting, and overuse of groundwater to grow crops can lead to desertification

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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Which of the following is derived from the ground tissue system?

A) root hair B) cuticle C) periderm D) pith E) phloem

Biology & Microbiology

How do North American porcupines protect themselves from predators?

a. Their coloration serves as a disguise. b. They seek shelter in a tree. c. They have large jaws with teeth. d. They release a noxious spray. e. They release sharp modified hairs that stick in a predator’s mouth.

Biology & Microbiology

Which characteristic defines a virus?

a. Viruses cannot replicate. b. Viruses cannot metabolize. c. Viruses contain both RNA and DNA. d. Viruses have various morphologies. e. Viruses are very tiny cells with nuclei.

Biology & Microbiology

In horses, black coat color is influenced by the dominant allele (B), and chestnut coat color by the recessive allele (b). Trotting gait is due to a dominant gene (T), pacing gait to the recessive allele (t). Give the phenotype and genotype of the horse you would use in a testcross to determine the genotype of a black trotter.

A. Black pacer, BB tt B. Black trotter, BB TT C. Chestnut trotter, Bb Tt D. Chestnut pacer, bb tt E. Chestnut pacer, Bb tt

Biology & Microbiology