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1. About 13 different species of finches inhabit the Galápagos Islands today, all descendants of a common ancestor from the South American mainland that arrived a few million years ago. Genetically, there are four distinct lineages, but the 13 species are currently classified among three genera. The first lineage to diverge from the ancestral lineage was the warbler finch (genus Certhidea). Next to diverge was the vegetarian finch (genus Camarhynchus), followed by five tree finch species (also in genus Camarhynchus) and six ground finch species (genus Geospiza).If the six ground finch species have evolved most recently, then which of these is the most logical prediction?a. They should be limited to the six islands that most recently emerged from the sea.b. Their genomes should be more similar to each other than are the genomes of the five tree finch species.c. They should share fewer anatomical homologies with each other than they share with the tree finches.d. The chances of hybridization between two ground finch species should be less than the chances of hybridization between two tree finch species.
An alien spacecraft has crash landed on Ram Plaza here on campus. One of the space travelers seems to have survived, but with very serious injuries.
A quorum sensing response in a hypothetical organism results in upregulation of one gene and downregulation of another. Suppose that preliminary experiments have been performed and these experiments have shown that homoserine lactone functions as the..
Check completed table correctly. A minus indicates that component or function is not present in the group and a plus indicates that it is.
A major evolutionary trend among plants is: A reduction in size of the gametophyte and an increase in size of the sporophyte. A reduction in size of the sporophyte and an increase in size of gametophyte.
Is habitat temperature reflected in the genomes? What is presumably connected to thermostability.
How the glucose and phospholipids would be distributed after you let the mixture settle for 30 minutes. How may this happen considering natural cleaning mechanism of the respiratory system.
List and express at least three prokaryotic cellular features that might be targeted in this way to inhibit or kill a bacterial pathogen.
Studies have demonstrate that the effect of neuropeptide Y on smooth muscle cells in the uterus is attenuated doing pregancy.
Give an instance of a successful plant disease forecasting system and explain how it works. How plant diseases could be forecasted and what are the needs for that.
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Explain why is it difficult to develop an effective malaria vaccine?
What types of ethical issues arise when an organization conducts research? Can you provide two examples of an ethical issues in a real world research situation?
Explain briefly the division of the cerebrum into hemispheres and lobes. Determine what are the primary functions of each lobe?
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