Cell Cycle & Mitosis
What is the stage of the cell cycle where the cell grows and replicates its DNA?
What is interphase?
How many chromosomes are in human gametes?
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What is the term for the variety of life in an area determined by the number of species?
What is biodiversity?
What term describes the excessive use of species with economic value?
What is overexploitation?
What is the number of organisms per unit area called?
What is population density?
During which stage of mitosis do chromosomes line up at the middle of the cell?
What is metaphase?
During which phase of meiosis does crossing over occur?
What is prophase I?
What is the gradual process of species becoming extinct over time called?
What is background extinction?
What type of precipitation removes nutrients like calcium and potassium from soil?
What is acid rain (acid precipitation)?
Give one example of a density-independent limiting factor.
What is weather, fire, human activity, or pollution?
In plant cells, what structure forms during cytokinesis instead of the cytoplasm pinching?
What is the cell plate?
What is the name for the physical traits that we see?
What is the phenotype
What happens when a habitat is split into smaller pieces of land, reducing species survival?
What is habitat fragmentation?
What process occurs when nitrogen and phosphorus cause excessive algae growth in water?
What is eutrophication?
What is the maximum number of individuals an environment can support long-term?
What is carrying capacity?
What proteins regulate the cell cycle by signaling activities like DNA replication and division?
What are cyclins (and CDKs)?
What Mendelian law states that allele pairs separate during gamete formation?
What is the Law of Segregation?
What is the increasing concentration of toxins as they move up a food chain called?
What is biological magnification?
What are nonnative species that spread quickly and harm ecosystems called?
What are invasive species?
What reproductive strategy is used by small organisms that produce many offspring and live short lives?
What is the r-strategy (r-strategist)?
What is the term for programmed cell death that shrinks and shrivels cells in a controlled process?
What is apoptosis?
What is the condition where an organism has one or more extra sets of chromosomes (e.g., 3n)?
What is polyploidy?
What is the process of using living organisms to detoxify polluted areas?
What is bioremediation?
What do we call areas with at least 1500 endemic plant species and 70% habitat loss?
What are biodiversity hotspots?
What is it called when the birthrate equals the death rate in a population?
What is zero population growth (ZPG)?