__________ can be used to estimate the population density for mobile animals. Fill in the blank(s) with the appropriate word(s)
Mark-recapture methods
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Answer the following statements true (T) or false (F)
1. A stigma is an organelle that pumps water out of the cell. 2. Sexual spores are also known as conidia. 3. Classification of fungi is based on the type of conidia that they produce. 4. Protozoa that move by means of pseudopodia are in a category known as Sarcodina. 5. Fungi can cause both infectious diseases and microbial intoxications.
Four of the five answers listed below are components of the mixture used in Miller and Urey's experiment. Select the exception
a. ammonia b. methane c. water d. hydrogen e. oxygen
A certain species of land snail exists as either a cream color or a solid brown color. Intermediate individuals are relatively rare. Which of the following terms best describes this?
A) artificial selection B) directional selection C) stabilizing selection D) disruptive selection E) sexual selection
Which of the following is a form of polygenic inheritance in which the effect of an allele on a trait masks the effect of a different gene?
A. Pleiotropic B. Epistasis C. Codominance D. Incomplete dominance E. Continuous variation