Parapodia are characteristic of oligochaetes. Indicate whether the statement is true or false


False - polychaetes

Biology & Microbiology

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True or False: At its earliest stages, a logistic growth curve closely resembles an exponential growth curve

A. true B. false

Biology & Microbiology

The serotinous cones of the longleaf pine, Pinus palustris, depend on _____ to release their seeds.

A. daylight B. extended freezes C. sustained rainfall D. fire E. animals

Biology & Microbiology

At its most basic level, in a non-dividing cell, a chromosome is a single DNA molecule coiled around some proteins.

a. true b. false

Biology & Microbiology

In estimating the effect of price on sales (Salesi = ?0 + ?1Pricei + Ui), you are attempting to find an instrumental variable that will solve the endogeneity problem caused by the confounding factor of number of competitors being within Ui, which is correlated with price. Which of the following statements would suggest that wholesale costs would satisfy the exogenous condition to be a potential instrument variable?

A. Wholesale costs are uncorrelated with price. B. Wholesale costs are uncorrelated with number of competitors. C. Wholesale costs are uncorrelated with sales. D. Wholesale costs are correlated with price.

Biology & Microbiology