In the logistic growth model, as the number of individuals in the population (N) approaches the carrying capacity (K), what happens to the intrinsic rate of growth (ri)?
A. It will be affected by increased competition within the species.
B. It will be affected by a decreased death rate from predation.
C. It will not change.
D. It will be affected by an increased birth rate.
E. It will be affected by increased competition with other species.
Answer: C
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Why is the process of peer review critical to scientific inquiry?
a. It protects scientists from being sued. b. It gives scientists a patent for their ideas and methods. c. It helps ensure that the research in a scientific paper is original, significant, logical, and thorough. d. It provides a venue where scientists can publish their materials and protocols for use by other scientists who want to do the same research.
Radiation exposure can destroy lymphocytes and lead to what?
a. meningitis b. cancer c.an immunodeficiency d. a hypersensitivity
This organelle acts as a processing center for vesicles leaving the endoplasmic reticulum.
a. peroxisomes b. ribosomes c. Golgi apparatus d. nucleolus
In eukaryotic cells, proteins always remain in the nucleus but DNA is made at ribosomes in the cytoplasm
a. true b. false