What bathygraphic feature is sometimes thought to be created by turbidity currents in the ocean?

a. Abyssal plains
b. Sea mounts
c. Submarine canyons
d. Ocean basins


c

Biology & Microbiology

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A farmer decides not to reseed one of his agricultural fields for a year. Which of the following

is(are) characteristics of plants that will grow in the field during this period?

a. plants with a narrow ecological niche b. plants that have very specific resource requirements c. opportunistic plant species d. plants that are pioneering and have slow rates of growth

Biology & Microbiology

Describe Lamarck’s four most important ideas that influenced Darwin’s evolutionary theory

What will be an ideal response?

Biology & Microbiology

Some dogs have erect ears; others have drooping

ears. Some dogs bark when following a scent; others are silent. Erect ears and barking are due to dominant alleles located on different chromosomes. A dog homozygous for both dominant traits is mated to a droopy-eared, silent follower. The expected phenotypic ratio in the F1 generation is a. 9:3:3:1. b. 100 percent of one phenotype. c. 1:1. d. 1:2:1. e. none of these.

Biology & Microbiology

Clusters of chlorophyll and accessory pigments are called ________.

A. the Golgi apparatus B. chloroplasts C. photosystems D. cristae E. photosynthetic membranes

Biology & Microbiology