How many types of differentiated cells are found in the human body?
a. 15
b. 68
c. 200
d. 180
e. 155
c
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Diagram the evolutionary relationships between Neanderthals and chimpanzees based on genomic data
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. During gastrulation, muscle cells and connective tissues are formed from the endoderm. 2. Sand dollars, a kind of marine echinoderm, release their gametes into the surrounding water to be fertilized through spawning, producing large numbers of offspring. They do not care for their young, many of which are eaten by predators. Therefore, this organism exhibits a type III survivorship curve. 3. A graph of a typical exponential growth curve will be J-shaped, as exhibited in the early growth pattern of bacteria. 4. The chance of survival of an individual sparrow during an unusually hot summer is independent of that species’ population density. 5. Economic development in a country can change its population’s age structure to a conical shape.
Data in the accompanying figure shows the results of allelic frequency analysis of an insect-pollinated plant whose seeds are transported by wind and water, therefore making this plant one of the first colonizers of new islands
The data?particularly the lower variation of allele frequencies of intermediate-aged populations?supports the hypothesis that ________. A) genetic drift tends to homogenize populations B) migration tends to homogenize populations C) gene flow tends to homogenize populations D) A, B, and C are all accurate. E) B and C are both accurate.
OMIM is an acronym that stands for ____________.Fill in the blank(s) with the appropriate word(s)