A researcher studying a group of individuals of the same species living and interacting in a shared environment is said to be working at the level of a

A) biome.
B) biosphere.
C) community.
D) population.


Answer: D) population.

Biology & Microbiology

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Which of the following conditions is NOT caused by a deficiency of a water-soluble vitamin?

a. beriberi b. pellagra c. rickets d. scurvy e. anemia

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. The smallest scale of biological organization is represented organelles. 2. Decomposers are a special group of producers. 3. In an experiment designed to determine if a fertilizer increased crop yield in tomato plants, the number of tomatoes produced by each plant would be the independent variable. 4. In an experiment designed to determine if a fertilizer increased crop yield in tomato plants, the number of tomatoes produced by each plant would be the dependent variable. 5. In an experiment designed to determine if a fertilizer increased crop yield in tomato plants, the amount of sunlight and water the plants received would be standardized variables.

Biology & Microbiology

Natural selection acts directly on the genotype of an organism

_______ Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following statements about monocots is true?

a. They lack sclerenchyma tissue. b. They have a well-developed vascular cambium. c. They do not produce bark. d. Their lateral meristems give rise to wood. e. Secondary growth occurs rather slowly

Biology & Microbiology