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Biology Questions

Explore questions in the Biology category that you can ask Spark.E!

mutation, non-random mating, gene flow, genetic drift, and natural selection

temporal isolation, habitat isolation, behavioral isolation, mechanical isolation, and gametic isolation

Reduced hybrid viability, reduced hybrid fertility, hybrid breakdown

Where is most connective tissue derived from

We don't really want a connection between the esophageal and tracheal areas of the gut tube, so what forms during the 5th week of development?

Around which day does the secondary bronchial bud form? What day does the bronchioles form?

What does the enamel organ give rise to?

What has the longest developmental period of any organ

Analyze changes in population size and biodiversity (speciation and extinction) that result from the following: natural causes, changes in climate, human activity, and the introduction of invasive, non-native species.

What type of cells undergo mitosis and why is it important that the number of chromosomes remains constant?

Compare and contrast the processes of photosynthesis and cellular respiration including the types of cells that perform each chemical reaction.

Explain how evolution through natural selection can result in changes in biodiversity through the increase or decrease of genetic diversity within a population.

Explain how water, carbon, nitrogen and phosphorous cycle between abiotic resources and organic matter in an ecosystem.

Describe the basic structure and building block of DNA. Include a labeled diagram.

According to the endosymbiotic theory, early eukaryotic cells acquired the mitochondrion from a symbiotic bacterium. What happened to the genes of that symbiotic bacterium?

Does genome size correlate with organismal complexity?

Economies of scale occur in major transitions when groups can perform tasks more efficiently than individuals. what is an advantage of economy of scale?

The transition from unicellularity to multicellulatiry has occurred multiple times in independent lineages of eukaryotes. This indicated that multicellular eukaryotes are

- DNA and RNA accumulate mutations over time- Two animals with similar sequences can be assumed to be closely related

1. Subjective criteria 2. Misidentifies polymorphic species 3. Misses cryptic species4. Cannot answer: Where do we draw the line between species?