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Biology Questions

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

Charles Darwin based his conclusions regarding common descent on

The first to use comparative anatomy to develop a system of classifying animals and the founder of the science of paleontology was

The father of taxonomy who gave us the binomial system of nomenclature is

Anatomical structures that are fully developed in one group of organisms but are reduced and have no function in similar groups are called

A signaling loop maintains expression of segment-polarity genes

When humans determine which animals will reproduce, _____ selection takes place

Drosophila early embryo is a _________.

hardy-weinberg equation for genotype frequencies?

Hardy-Weinberg equation for allele frequencies?

Atom, compound/molecule, organelles, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere/Earth

Mutations, genetic recombination (crossing over), food, sleep, viruses & carcinogens

On the Origin of Species by Means of Natural Selection

Immigrating increases gene pool/variety it increases population increasing survival. Emmigration decreases population and variety while increasing possibility of extinction

1. Fossil reocords 2. Geographical distribution of living species3. Comparative anatomy of living organisms4. The similarities on early development, or embryology 5. The similarities in molecular biology, or DNA analysis

Does any gene expression occur in cleavage? What organism is the exception?

Who did the zygote receive its centriole from, the egg or the sperm?

What plays an important role in setting up the signaling cascades that orchestrate the major processes of development?

What stimulates/controls the differentiation of the neural tube into various structures of the nervous system? What are 2 of these? What is another important factor for controlling differentiation of the neural tube?

What is the ovulated egg considered when it enters the uterus?

Are early cell divisions in mammals slow or fast and how long do they take?

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