Biology Questions
Explore questions in the Biology category that you can ask Spark.E!
The __________ separates the Esophagus (dorsally) and Trachea & Lungs (ventrally)
Why are the right bronchus slightly larger in diameter and more vertically oriented?
T or F. The Resp. System plays an important role in the regulation or homeostasis of pH in the body.
An outgrowth from the ventral wall of the foregut begins to appear in a 4 week old embryo. This structure is called the _________?
An abnormal connection between the trachea and the distal part of the esophagus is called __________
Where are gonads formed, with respect to the kidneys?
Which part of the mesoderm do the kidneys and gonads arise from?
Despite its ubiquity, environmental variation supplies NO raw material for evolution.... WHY
How can the environment influence the phenotype of an organism?
What type of variation(s) does provide raw material for evolution?
What is the raw material for evolution?
Reformation of Darwin's postulates is called...
What happens to heterozygosity as an allele heads towards fixation?
During replication, _____ can occur, but there are __________________ that fix these errors
Error correction mechanisms are _____ and a small number of _____ errors persist after replication
INDEL mutations are usually ______ because they cause ______ that radically change the amino acid sequence
To study human genetics, geneticists analyze ______ and perform ______ which loci are responsible for human characters
Many diseases, such as heart disease, cancer and alcoholism, have both ____ and ____ components
Only the _____ part of the phenotypic variation can have ______, but natural selection acts on the ______ of organisms.
Phenotypic variation results from _____ differences, as well as ______ environmental influences.