What is the cecum a part of?
A) the mouth
B) the large intestine
C) the stomach
D) the small intestine
large intestine
B) the large intestine
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When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority
sex. This is most clearly an example of _____. A) sexual selection B) disruptive selection C) balancing selection D) stabilizing selection E) frequency-dependent selection
Probes can come from a variety of sources, such as ____________________
a. single-stranded RNA templates b. histones from other species c. artificially engineered gene sequences d. related genes from other species e. unrelated genes from other species
The removal of nutrients from nutrient cycling when those nutrients are converted to biomass is referred to as nutrient ________.
Fill in the blank(s) with the appropriate word(s).
Scientists estimate that as much as one-fourth of all species will become extinct in the near future, a rate of extinction not seen on Earth since the Cretaceous mass extinction. How are humans contributing to this mass extinction? (Check all that apply.)A) Contributing to climate changeB) Intentionally killing all members of a speciesC) Destroying habitatD) Blocking evolution
What will be an ideal response?