Which is a homologous chromosome pair?

A) chromatid

B) zygote

C) gamete

D) tetrad

Why do scientists use Linnaeus' system of binomial nomenclature for naming organisms

How does endosymbiosis play A role in evolution of prokaryotes and eukaryotes and how are mitochondria important to this evolution?

Elements 1 and 3 are used to make the most common substance in the body. What are these elements? A. Nitrogren & Phosphorus B. Oxygen & Hydrogen C. Hydrogen & Helium D. Oxygen & Sulfur

if another praire dogs migrates into an area, whats most likely to happen the praire dogs populution

A potential source of nitrogen in a sandy soil environment might be the bacterium, Rhizobium, which inhabits the root nodules of leguminous plants.

Why are some planets made of frozen gases and others solid?

The skin is the primary organ of the

What is true for urochordates? A. The notochord is present throughout their lives. B. The notochord is present only in the larval stage; it is absent in adults. C. The notochord is present in the larval stage; it becomes vertebrae in adults.

What term is used to refer to a characteristic of a population in statistics?

Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?